Q: What is the sum of all factors of the number 25,857 excluding 25,857?
A: 16,965
The factors of the number 25,857 are: 1, 3, 9, 13, 17, 39, 51, 117, 153, 169, 221, 507, 663, 1521, 1989, 2873, 8619, 25857.
If you add them up, you will get the total of 25,873. Now subtract 25,857 to get 16,965