21128588

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{14011}}^1$

素因数の和:14057

約数の個数: 24

約数和(自身を含む): 41195280

約数和(自身を除く): 20066692

約数列:

[1, 2, 4, 13, 26, 29, 52, 58, 116, 377, 754, 1508, 14011, 28022, 56044, 182143, 364286, 406319, 728572, 812638, 1625276, 5282147, 10564294, 21128588]

約数ペア:

[(1, 21128588), (2, 10564294), (4, 5282147), (13, 1625276), (26, 812638), (29, 728572), (52, 406319), (58, 364286), (116, 182143), (377, 56044), (754, 28022), (1508, 14011)]