Q: What is the sum of all factors of the number 16,989 excluding 16,989?
A: 8,931
The factors of the number 16,989 are: 1, 3, 7, 21, 809, 2427, 5663, 16989.
If you add them up, you will get the total of 16,997. Now subtract 16,989 to get 8,931