21006424

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{154459}}^1$

素因数の和:154482

約数の個数: 16

約数和(自身を含む): 41704200

約数和(自身を除く): 20697776

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 154459, 308918, 617836, 1235672, 2625803, 5251606, 10503212, 21006424]

約数ペア:

[(1, 21006424), (2, 10503212), (4, 5251606), (8, 2625803), (17, 1235672), (34, 617836), (68, 308918), (136, 154459)]