21970058

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{12641}}^1$

素因数の和:12733

約数の個数: 16

約数和(自身を含む): 36408960

約数和(自身を除く): 14438902

約数列:

[1, 2, 11, 22, 79, 158, 869, 1738, 12641, 25282, 139051, 278102, 998639, 1997278, 10985029, 21970058]

約数ペア:

[(1, 21970058), (2, 10985029), (11, 1997278), (22, 998639), (79, 278102), (158, 139051), (869, 25282), (1738, 12641)]