21452372

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{1531}}^1$

素因数の和:1679

約数の個数: 24

約数和(自身を含む): 39121152

約数和(自身を除く): 17668780

約数列:

[1, 2, 4, 31, 62, 113, 124, 226, 452, 1531, 3062, 3503, 6124, 7006, 14012, 47461, 94922, 173003, 189844, 346006, 692012, 5363093, 10726186, 21452372]

約数ペア:

[(1, 21452372), (2, 10726186), (4, 5363093), (31, 692012), (62, 346006), (113, 189844), (124, 173003), (226, 94922), (452, 47461), (1531, 14012), (3062, 7006), (3503, 6124)]