21000953335

素因数分解:

$5^1\times {\mathrm{877}}^1\times {\mathrm{1847}}^1\times {\mathrm{2593}}^1$

素因数の和:5322

約数の個数: 16

約数和(自身を含む): 25253274816

約数和(自身を除く): 4252321481

約数列:

[1, 5, 877, 1847, 2593, 4385, 9235, 12965, 1619819, 2274061, 4789271, 8099095, 11370305, 23946355, 4200190667, 21000953335]

約数ペア:

[(1, 21000953335), (5, 4200190667), (877, 23946355), (1847, 11370305), (2593, 8099095), (4385, 4789271), (9235, 2274061), (12965, 1619819)]