21185310

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{547}}^1\times {\mathrm{1291}}^1$

素因数の和:1848

約数の個数: 32

約数和(自身を含む): 50977152

約数和(自身を除く): 29791842

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 547, 1094, 1291, 1641, 2582, 2735, 3282, 3873, 5470, 6455, 7746, 8205, 12910, 16410, 19365, 38730, 706177, 1412354, 2118531, 3530885, 4237062, 7061770, 10592655, 21185310]

約数ペア:

[(1, 21185310), (2, 10592655), (3, 7061770), (5, 4237062), (6, 3530885), (10, 2118531), (15, 1412354), (30, 706177), (547, 38730), (1094, 19365), (1291, 16410), (1641, 12910), (2582, 8205), (2735, 7746), (3282, 6455), (3873, 5470)]