Q: What is the sum of all factors of the number 221,121,100 excluding 221,121,100?
A: 258,711,904
The factors of the number 221,121,100 are: 1, 2, 4, 5, 10, 20, 25, 50, 100, 2211211, 4422422, 8844844, 11056055, 22112110, 44224220, 55280275, 110560550, 221121100.
If you add them up, you will get the total of 221,121,358. Now subtract 221,121,100 to get 258,711,904