21271510

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163627}}^1$

素因数の和:163647

約数の個数: 16

約数和(自身を含む): 41234256

約数和(自身を除く): 19962746

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 163627, 327254, 818135, 1636270, 2127151, 4254302, 10635755, 21271510]

約数ペア:

[(1, 21271510), (2, 10635755), (5, 4254302), (10, 2127151), (13, 1636270), (26, 818135), (65, 327254), (130, 163627)]