Q: What is the sum of all factors of the number 210 excluding 210?
A: 366
The factors of the number 210 are: 1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210.
If you add them up, you will get the total of 576. Now subtract 210 to get 366