Q: What is the sum of all factors of the number 51,789 excluding 51,789?
A: 18,643
The factors of the number 51,789 are: 1, 3, 61, 183, 283, 849, 17263, 51789.
If you add them up, you will get the total of 51,807. Now subtract 51,789 to get 18,643