21687222

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{84059}}^1$

素因数の和:84107

約数の個数: 16

約数和(自身を含む): 44383680

約数和(自身を除く): 22696458

約数列:

[1, 2, 3, 6, 43, 86, 129, 258, 84059, 168118, 252177, 504354, 3614537, 7229074, 10843611, 21687222]

約数ペア:

[(1, 21687222), (2, 10843611), (3, 7229074), (6, 3614537), (43, 504354), (86, 252177), (129, 168118), (258, 84059)]