21685530

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{10181}}^1$

素因数の和:10262

約数の個数: 32

約数和(自身を含む): 52783488

約数和(自身を除く): 31097958

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 71, 142, 213, 355, 426, 710, 1065, 2130, 10181, 20362, 30543, 50905, 61086, 101810, 152715, 305430, 722851, 1445702, 2168553, 3614255, 4337106, 7228510, 10842765, 21685530]

約数ペア:

[(1, 21685530), (2, 10842765), (3, 7228510), (5, 4337106), (6, 3614255), (10, 2168553), (15, 1445702), (30, 722851), (71, 305430), (142, 152715), (213, 101810), (355, 61086), (426, 50905), (710, 30543), (1065, 20362), (2130, 10181)]