21461337

素因数分解:

$3^2\times {\mathrm{109}}^1\times {\mathrm{131}}^1\times {\mathrm{167}}^1$

素因数の和:413

約数の個数: 24

約数和(自身を含む): 31711680

約数和(自身を除く): 10250343

約数列:

[1, 3, 9, 109, 131, 167, 327, 393, 501, 981, 1179, 1503, 14279, 18203, 21877, 42837, 54609, 65631, 128511, 163827, 196893, 2384593, 7153779, 21461337]

約数ペア:

[(1, 21461337), (3, 7153779), (9, 2384593), (109, 196893), (131, 163827), (167, 128511), (327, 65631), (393, 54609), (501, 42837), (981, 21877), (1179, 18203), (1503, 14279)]