21029998

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{50311}}^1$

素因数の和:50343

約数の個数: 16

約数和(自身を含む): 36224640

約数和(自身を除く): 15194642

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 50311, 100622, 553421, 955909, 1106842, 1911818, 10514999, 21029998]

約数ペア:

[(1, 21029998), (2, 10514999), (11, 1911818), (19, 1106842), (22, 955909), (38, 553421), (209, 100622), (418, 50311)]