Q: What is the sum of all factors of the number 211,041,215 excluding 211,041,215?

A: 118,440,001

Why is 118,440,001 the sum of all factors of 211,041,215, excluding 211,041,215?

The factors of the number 211,041,215 are: 1, 5, 7, 11, 23, 35, 55, 77, 115, 161, 253, 385, 805, 1265, 1771, 8855, 23833, 119165, 166831, 262163, 548159, 834155, 1310815, 1835141, 2740795, 3837113, 6029749, 9175705, 19185565, 30148745, 42208243, 211041215.

If you add them up, you will get the total of 211,041,333. Now subtract 211,041,215 to get 118,440,001