21421796

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{2549}}^1$

素因数の和:2755

約数の個数: 24

約数和(自身を含む): 41126400

約数和(自身を除く): 19704604

約数列:

[1, 2, 4, 11, 22, 44, 191, 382, 764, 2101, 2549, 4202, 5098, 8404, 10196, 28039, 56078, 112156, 486859, 973718, 1947436, 5355449, 10710898, 21421796]

約数ペア:

[(1, 21421796), (2, 10710898), (4, 5355449), (11, 1947436), (22, 973718), (44, 486859), (191, 112156), (382, 56078), (764, 28039), (2101, 10196), (2549, 8404), (4202, 5098)]