Q: What is the sum of all factors of the number 661,921 excluding 661,921?
A: 63,839
The factors of the number 661,921 are: 1, 13, 59, 767, 863, 11219, 50917, 661921.
If you add them up, you will get the total of 661,984. Now subtract 661,921 to get 63,839