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

int main(){
    int T;
    scanf("%d", &T);
    while(T--){
        int n;
        scanf("%d", &n);
        int t = n;
        int sum = 0;
        while(t){
            sum += t % 10;
            t /= 10;
        }
        vector<int> vec;
        //int m = (int)(sqrt(sum)+0.5);
        for(int i = 1; i <= sum; ++i){
            if(n % i == 0 && sum % i == 0){
                vec.push_back(i);
               // if(i*i != n) vec.push_back(n/i);
            }
        }
       // sort(vec.begin(), vec.end());
       printf("%d\n", vec.size());
        for(int i = 0; i < vec.size(); ++i){
            if(i) printf(" ");
            printf("%d", vec[i]);
        }
        puts("");
    }
    return 0;
}