21652530

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{9887}}^1$

素因数の和:9970

約数の個数: 32

約数和(自身を含む): 52683264

約数和(自身を除く): 31030734

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 73, 146, 219, 365, 438, 730, 1095, 2190, 9887, 19774, 29661, 49435, 59322, 98870, 148305, 296610, 721751, 1443502, 2165253, 3608755, 4330506, 7217510, 10826265, 21652530]

約数ペア:

[(1, 21652530), (2, 10826265), (3, 7217510), (5, 4330506), (6, 3608755), (10, 2165253), (15, 1443502), (30, 721751), (73, 296610), (146, 148305), (219, 98870), (365, 59322), (438, 49435), (730, 29661), (1095, 19774), (2190, 9887)]