Q: What is the sum of all factors of the number 213,021,211 excluding 213,021,211?

A: 33,837,989

Why is 33,837,989 the sum of all factors of 213,021,211, excluding 213,021,211?

The factors of the number 213,021,211 are: 1, 13, 29, 59, 61, 157, 377, 767, 793, 1711, 1769, 2041, 3599, 4553, 9263, 9577, 22243, 22997, 46787, 59189, 104371, 120419, 124501, 268627, 277733, 565043, 1356823, 3492151, 3610529, 7345559, 16386247, 213021211.

If you add them up, you will get the total of 213,021,244. Now subtract 213,021,211 to get 33,837,989