Q: What is the sum of all factors of the number 421,004,241 excluding 421,004,241?

A: 297,469,359

Why is 297,469,359 the sum of all factors of 421,004,241, excluding 421,004,241?

The factors of the number 421,004,241 are: 1, 3, 7, 9, 21, 37, 63, 111, 179, 259, 333, 537, 777, 1009, 1253, 1611, 2331, 3027, 3759, 6623, 7063, 9081, 11277, 19869, 21189, 37333, 46361, 59607, 63567, 111999, 139083, 180611, 261331, 335997, 417249, 541833, 783993, 1264277, 1625499, 2351979, 3792831, 6682607, 11378493, 20047821, 46778249, 60143463, 140334747, 421004241.

If you add them up, you will get the total of 421,004,538. Now subtract 421,004,241 to get 297,469,359