Q: What is the sum of all factors of the number 42,789 excluding 42,789?
A: 17,691
The factors of the number 42,789 are: 1, 3, 17, 51, 839, 2517, 14263, 42789.
If you add them up, you will get the total of 42,806. Now subtract 42,789 to get 17,691