21715353

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{401}}^1\times {\mathrm{547}}^1$

素因数の和:965

約数の個数: 24

約数和(自身を含む): 34366176

約数和(自身を除く): 12650823

約数列:

[1, 3, 9, 11, 33, 99, 401, 547, 1203, 1641, 3609, 4411, 4923, 6017, 13233, 18051, 39699, 54153, 219347, 658041, 1974123, 2412817, 7238451, 21715353]

約数ペア:

[(1, 21715353), (3, 7238451), (9, 2412817), (11, 1974123), (33, 658041), (99, 219347), (401, 54153), (547, 39699), (1203, 18051), (1641, 13233), (3609, 6017), (4411, 4923)]