Q: What is the sum of all factors of the number 221,421,101 excluding 221,421,101?
A: 21,465,907
The factors of the number 221,421,101 are: 1, 11, 181, 1991, 111211, 1223321, 20129191, 221421101.
If you add them up, you will get the total of 221,421,122. Now subtract 221,421,101 to get 21,465,907