21475902

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{3137}}^1$

素因数の和:3312

約数の個数: 32

約数和(自身を含む): 49404672

約数和(自身を除く): 27928770

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 163, 326, 489, 978, 1141, 2282, 3137, 3423, 6274, 6846, 9411, 18822, 21959, 43918, 65877, 131754, 511331, 1022662, 1533993, 3067986, 3579317, 7158634, 10737951, 21475902]

約数ペア:

[(1, 21475902), (2, 10737951), (3, 7158634), (6, 3579317), (7, 3067986), (14, 1533993), (21, 1022662), (42, 511331), (163, 131754), (326, 65877), (489, 43918), (978, 21959), (1141, 18822), (2282, 9411), (3137, 6846), (3423, 6274)]