21431472

素因数分解:

$2^4\times 3^1\times {\mathrm{457}}^1\times {\mathrm{977}}^1$

素因数の和:1445

約数の個数: 40

約数和(自身を含む): 55542576

約数和(自身を除く): 34111104

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 457, 914, 977, 1371, 1828, 1954, 2742, 2931, 3656, 3908, 5484, 5862, 7312, 7816, 10968, 11724, 15632, 21936, 23448, 46896, 446489, 892978, 1339467, 1785956, 2678934, 3571912, 5357868, 7143824, 10715736, 21431472]

約数ペア:

[(1, 21431472), (2, 10715736), (3, 7143824), (4, 5357868), (6, 3571912), (8, 2678934), (12, 1785956), (16, 1339467), (24, 892978), (48, 446489), (457, 46896), (914, 23448), (977, 21936), (1371, 15632), (1828, 11724), (1954, 10968), (2742, 7816), (2931, 7312), (3656, 5862), (3908, 5484)]