11721886

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{12391}}^1$

素因数の和:12447

約数の個数: 16

約数和(自身を含む): 19628928

約数和(自身を除く): 7907042

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 12391, 24782, 136301, 272602, 532813, 1065626, 5860943, 11721886]

約数ペア:

[(1, 11721886), (2, 5860943), (11, 1065626), (22, 532813), (43, 272602), (86, 136301), (473, 24782), (946, 12391)]