Q: What is the sum of all factors of the number 21,678,728 excluding 21,678,728?

 A: 18,968,902

Why is 18,968,902 the sum of all factors of 21,678,728, excluding 21,678,728?

The factors of the number 21,678,728 are: 1, 2, 4, 8, 2709841, 5419682, 10839364, 21678728.

If you add them up, you will get the total of 21,678,746. Now subtract 21,678,728 to get 18,968,902


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