Q: What is the sum of all factors of the number 221,221,530 excluding 221,221,530?

A: 373,620,762

Why is 373,620,762 the sum of all factors of 221,221,530, excluding 221,221,530?

The factors of the number 221,221,530 are: 1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 273113, 546226, 819339, 1365565, 1638678, 2458017, 2731130, 4096695, 4916034, 7374051, 8193390, 12290085, 14748102, 22122153, 24580170, 36870255, 44244306, 73740510, 110610765, 221221530.

If you add them up, you will get the total of 221,221,903. Now subtract 221,221,530 to get 373,620,762