21813922

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{17851}}^1$

素因数の和:17913

約数の個数: 16

約数和(自身を含む): 35989632

約数和(自身を除く): 14175710

約数列:

[1, 2, 13, 26, 47, 94, 611, 1222, 17851, 35702, 232063, 464126, 838997, 1677994, 10906961, 21813922]

約数ペア:

[(1, 21813922), (2, 10906961), (13, 1677994), (26, 838997), (47, 464126), (94, 232063), (611, 35702), (1222, 17851)]