Q: What is the sum of all factors of the number 221,626,321 excluding 221,626,321?

A: 50,314,799

Why is 50,314,799 the sum of all factors of 221,626,321, excluding 221,626,321?

The factors of the number 221,626,321 are: 1, 7, 23, 73, 109, 161, 173, 511, 763, 1211, 1679, 2507, 3979, 7957, 11753, 12629, 17549, 18857, 27853, 55699, 88403, 131999, 183011, 290467, 433711, 1281077, 1376561, 2033269, 3035977, 9635927, 31660903, 221626321.

If you add them up, you will get the total of 221,626,371. Now subtract 221,626,321 to get 50,314,799