21582178

素因数分解:

$2^1\times {\mathrm{163}}^1\times {\mathrm{239}}^1\times {\mathrm{277}}^1$

素因数の和:681

約数の個数: 16

約数和(自身を含む): 32826240

約数和(自身を除く): 11244062

約数列:

[1, 2, 163, 239, 277, 326, 478, 554, 38957, 45151, 66203, 77914, 90302, 132406, 10791089, 21582178]

約数ペア:

[(1, 21582178), (2, 10791089), (163, 132406), (239, 90302), (277, 77914), (326, 66203), (478, 45151), (554, 38957)]