21812986

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{5147}}^1$

素因数の和:5325

約数の個数: 16

約数和(自身を含む): 35459424

約数和(自身を除く): 13646438

約数列:

[1, 2, 13, 26, 163, 326, 2119, 4238, 5147, 10294, 66911, 133822, 838961, 1677922, 10906493, 21812986]

約数ペア:

[(1, 21812986), (2, 10906493), (13, 1677922), (26, 838961), (163, 133822), (326, 66911), (2119, 10294), (4238, 5147)]