21905154

素因数分解:

$2^1\times 3^4\times {\mathrm{23}}^1\times {\mathrm{5879}}^1$

素因数の和:5916

約数の個数: 40

約数和(自身を含む): 51226560

約数和(自身を除く): 29321406

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 81, 138, 162, 207, 414, 621, 1242, 1863, 3726, 5879, 11758, 17637, 35274, 52911, 105822, 135217, 158733, 270434, 317466, 405651, 476199, 811302, 952398, 1216953, 2433906, 3650859, 7301718, 10952577, 21905154]

約数ペア:

[(1, 21905154), (2, 10952577), (3, 7301718), (6, 3650859), (9, 2433906), (18, 1216953), (23, 952398), (27, 811302), (46, 476199), (54, 405651), (69, 317466), (81, 270434), (138, 158733), (162, 135217), (207, 105822), (414, 52911), (621, 35274), (1242, 17637), (1863, 11758), (3726, 5879)]