21498664

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{244303}}^1$

素因数の和:244320

約数の個数: 16

約数和(自身を含む): 43974720

約数和(自身を除く): 22476056

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 244303, 488606, 977212, 1954424, 2687333, 5374666, 10749332, 21498664]

約数ペア:

[(1, 21498664), (2, 10749332), (4, 5374666), (8, 2687333), (11, 1954424), (22, 977212), (44, 488606), (88, 244303)]