21253492

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{3617}}^1$

素因数の和:3747

約数の個数: 24

約数和(自身を含む): 40420296

約数和(自身を除く): 19166804

約数列:

[1, 2, 4, 13, 26, 52, 113, 226, 452, 1469, 2938, 3617, 5876, 7234, 14468, 47021, 94042, 188084, 408721, 817442, 1634884, 5313373, 10626746, 21253492]

約数ペア:

[(1, 21253492), (2, 10626746), (4, 5313373), (13, 1634884), (26, 817442), (52, 408721), (113, 188084), (226, 94042), (452, 47021), (1469, 14468), (2938, 7234), (3617, 5876)]