21455376

素因数分解:

$2^4\times 3^1\times {\mathrm{443}}^1\times {\mathrm{1009}}^1$

素因数の和:1463

約数の個数: 40

約数和(自身を含む): 55606560

約数和(自身を除く): 34151184

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 443, 886, 1009, 1329, 1772, 2018, 2658, 3027, 3544, 4036, 5316, 6054, 7088, 8072, 10632, 12108, 16144, 21264, 24216, 48432, 446987, 893974, 1340961, 1787948, 2681922, 3575896, 5363844, 7151792, 10727688, 21455376]

約数ペア:

[(1, 21455376), (2, 10727688), (3, 7151792), (4, 5363844), (6, 3575896), (8, 2681922), (12, 1787948), (16, 1340961), (24, 893974), (48, 446987), (443, 48432), (886, 24216), (1009, 21264), (1329, 16144), (1772, 12108), (2018, 10632), (2658, 8072), (3027, 7088), (3544, 6054), (4036, 5316)]