Q: What is the sum of all factors of the number 21,867,520 excluding 21,867,520?

A: 30,601,184

Why is 30,601,184 the sum of all factors of 21,867,520, excluding 21,867,520?

The factors of the number 21,867,520 are: 1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2560, 4271, 5120, 8542, 17084, 21355, 34168, 42710, 68336, 85420, 136672, 170840, 273344, 341680, 546688, 683360, 1093376, 1366720, 2186752, 2733440, 4373504, 5466880, 10933760, 21867520.

If you add them up, you will get the total of 21,867,550. Now subtract 21,867,520 to get 30,601,184