Q: What is the sum of all factors of the number 53,991 excluding 53,991?
A: 35,241
The factors of the number 53,991 are: 1, 3, 7, 9, 21, 63, 857, 2571, 5999, 7713, 17997, 53991.
If you add them up, you will get the total of 54,026. Now subtract 53,991 to get 35,241