21356524

素因数分解:

$2^2\times 7^1\times {\mathrm{457}}^1\times {\mathrm{1669}}^1$

素因数の和:2137

約数の個数: 24

約数和(自身を含む): 42832160

約数和(自身を除く): 21475636

約数列:

[1, 2, 4, 7, 14, 28, 457, 914, 1669, 1828, 3199, 3338, 6398, 6676, 11683, 12796, 23366, 46732, 762733, 1525466, 3050932, 5339131, 10678262, 21356524]

約数ペア:

[(1, 21356524), (2, 10678262), (4, 5339131), (7, 3050932), (14, 1525466), (28, 762733), (457, 46732), (914, 23366), (1669, 12796), (1828, 11683), (3199, 6676), (3338, 6398)]