21221975372

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{3115381}}^1$

素因数の和:3115529

約数の個数: 24

約数和(自身を含む): 40300581552

約数和(自身を除く): 19078606180

約数列:

[1, 2, 4, 13, 26, 52, 131, 262, 524, 1703, 3406, 6812, 3115381, 6230762, 12461524, 40499953, 80999906, 161999812, 408114911, 816229822, 1632459644, 5305493843, 10610987686, 21221975372]

約数ペア:

[(1, 21221975372), (2, 10610987686), (4, 5305493843), (13, 1632459644), (26, 816229822), (52, 408114911), (131, 161999812), (262, 80999906), (524, 40499953), (1703, 12461524), (3406, 6230762), (6812, 3115381)]