Q: What is the sum of all factors of the number 21,100,215 excluding 21,100,215?
A: 12,739,785
The factors of the number 21,100,215 are: 1, 3, 5, 15, 499, 1497, 2495, 2819, 7485, 8457, 14095, 42285, 1406681, 4220043, 7033405, 21100215.
If you add them up, you will get the total of 21,100,227. Now subtract 21,100,215 to get 12,739,785