21918886

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{16333}}^1$

素因数の和:16407

約数の個数: 16

約数和(自身を含む): 36457488

約数和(自身を除く): 14538602

約数列:

[1, 2, 11, 22, 61, 122, 671, 1342, 16333, 32666, 179663, 359326, 996313, 1992626, 10959443, 21918886]

約数ペア:

[(1, 21918886), (2, 10959443), (11, 1992626), (22, 996313), (61, 359326), (122, 179663), (671, 32666), (1342, 16333)]