21866450

素因数分解:

$2^1\times 5^2\times {\mathrm{163}}^1\times {\mathrm{2683}}^1$

素因数の和:2858

約数の個数: 24

約数和(自身を含む): 40936368

約数和(自身を除く): 19069918

約数列:

[1, 2, 5, 10, 25, 50, 163, 326, 815, 1630, 2683, 4075, 5366, 8150, 13415, 26830, 67075, 134150, 437329, 874658, 2186645, 4373290, 10933225, 21866450]

約数ペア:

[(1, 21866450), (2, 10933225), (5, 4373290), (10, 2186645), (25, 874658), (50, 437329), (163, 134150), (326, 67075), (815, 26830), (1630, 13415), (2683, 8150), (4075, 5366)]