Q: What is the sum of all factors of the number 21,005,100 excluding 21,005,100?

A: 44,837,040

Why is 44,837,040 the sum of all factors of 21,005,100, excluding 21,005,100?

The factors of the number 21,005,100 are: 1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 150, 180, 225, 300, 450, 900, 23339, 46678, 70017, 93356, 116695, 140034, 210051, 233390, 280068, 350085, 420102, 466780, 583475, 700170, 840204, 1050255, 1166950, 1400340, 1750425, 2100510, 2333900, 3500850, 4201020, 5251275, 7001700, 10502550, 21005100.

If you add them up, you will get the total of 21,005,144. Now subtract 21,005,100 to get 44,837,040