all devisor of a number java

1public static ArrayList<Integer> getDivisors(int n){
2        ArrayList<Integer> divisors = new ArrayList<>();
3        //without 1 or n
4        for (int i = 2; i * i <= n; ++i)
5            if (n % i == 0) {
6                divisors.add(i);
7                if (i != n / i) divisors.add(n / i);
8            }
9        return divisors;
10    }