21167308775

素因数分解:

$5^2\times {\mathrm{149}}^1\times {\mathrm{193}}^1\times {\mathrm{29443}}^1$

素因数の和:29795

約数の個数: 24

約数和(自身を含む): 26561432400

約数和(自身を除く): 5394123625

約数列:

[1, 5, 25, 149, 193, 745, 965, 3725, 4825, 28757, 29443, 143785, 147215, 718925, 736075, 4387007, 5682499, 21935035, 28412495, 109675175, 142062475, 846692351, 4233461755, 21167308775]

約数ペア:

[(1, 21167308775), (5, 4233461755), (25, 846692351), (149, 142062475), (193, 109675175), (745, 28412495), (965, 21935035), (3725, 5682499), (4825, 4387007), (28757, 736075), (29443, 718925), (143785, 147215)]