21000655225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{2633311}}^1$

素因数の和:2633361

約数の個数: 24

約数和(自身を含む): 29387761920

約数和(自身を除く): 8387106695

約数列:

[1, 5, 11, 25, 29, 55, 145, 275, 319, 725, 1595, 7975, 2633311, 13166555, 28966421, 65832775, 76366019, 144832105, 381830095, 724160525, 840026209, 1909150475, 4200131045, 21000655225]

約数ペア:

[(1, 21000655225), (5, 4200131045), (11, 1909150475), (25, 840026209), (29, 724160525), (55, 381830095), (145, 144832105), (275, 76366019), (319, 65832775), (725, 28966421), (1595, 13166555), (7975, 2633311)]