#include <bits/stdc++.h>
using namespace std;

#define LL long long
#define lowbit(x) ((x) & -(x))
#define lson l,mid,id<<1
#define rson mid+1,r,id<<1|1
#define MID(l, r) (((l)+(r))>>1)

const int maxn = (int) 5e2 + 20;
const int MOD = 1e9 + 7;
//const int MOD = 998244353;
const double eps = 1e-8;

inline int sig(double x) {return x < -eps ? -1 : x > eps;}

template < typename T > inline void read(T &x)
{
    static bool f;
    static char ch;

    f = 0;
    x = 0;
    ch = getchar();

    while(ch < '0' || '9' < ch) {if(ch == '-') f = 1; ch = getchar();}
    while('0' <= ch && ch <= '9') {x = (x << 3) + (x << 1) + (ch - '0'); ch = getchar();}

    if(f) x = -x;
}

LL gcd(LL a, LL b) {if(!b) return a; return gcd(b, a % b);}
LL fp(LL a, LL n, LL m = MOD) {LL res; for(res = 1; n; a = a * a % m, n >>= 1) if(n & 1) res = res * a % m; return res;}

int n;

void work()
{
    cin >>n;
    int cnt = 0;
    vector<int> ans;

    int tot = 0;
    int tmp = n;
    while(tmp)
    {
        tot += tmp % 10;
        tmp /= 10;
    }

    for(int i = 1; i <= tot; i++)
    {
        if(n % i == 0 && tot % i == 0)
            ans.push_back(i);
    }

    cout <<ans.size() <<endl;
    for(int i = 0; i < ans.size(); i++)
    {
        if(i) putchar(' ');
        cout <<ans[i];
    }
    cout <<endl;
}

int main()
{
#ifdef yukihana0416
freopen("in.txt", "r", stdin);
#endif // yukihana0416

    int tc = 1;
    cin >>tc;

    for(int ca = 1; ca <= tc; ca++)
    {
//        printf("Case #%d: ", ca);
        work();
    }
    return 0;
}