Q: What is the sum of all factors of the number 213,512 excluding 213,512?
A: 217,828
The factors of the number 213,512 are: 1, 2, 4, 8, 13, 26, 52, 104, 2053, 4106, 8212, 16424, 26689, 53378, 106756, 213512.
If you add them up, you will get the total of 213,729. Now subtract 213,512 to get 217,828