21816217801

素因数分解:

$7^1\times {\mathrm{163}}^1\times {\mathrm{4111}}^1\times {\mathrm{4651}}^1$

素因数の和:8932

約数の個数: 16

約数和(自身を含む): 25097279488

約数和(自身を除く): 3281061687

約数列:

[1, 7, 163, 1141, 4111, 4651, 28777, 32557, 670093, 758113, 4690651, 5306791, 19120261, 133841827, 3116602543, 21816217801]

約数ペア:

[(1, 21816217801), (7, 3116602543), (163, 133841827), (1141, 19120261), (4111, 5306791), (4651, 4690651), (28777, 758113), (32557, 670093)]