Q: What is the sum of all factors of the number 21,501,456 excluding 21,501,456?

A: 34,596,144

Why is 34,596,144 the sum of all factors of 21,501,456, excluding 21,501,456?

The factors of the number 21,501,456 are: 1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 103, 206, 309, 412, 618, 824, 1236, 1648, 2472, 4349, 4944, 8698, 13047, 17396, 26094, 34792, 52188, 69584, 104376, 208752, 447947, 895894, 1343841, 1791788, 2687682, 3583576, 5375364, 7167152, 10750728, 21501456.

If you add them up, you will get the total of 21,501,490. Now subtract 21,501,456 to get 34,596,144