21919020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{3617}}^1$

素因数の和:3730

約数の個数: 48

約数和(自身を含む): 61998048

約数和(自身を除く): 40079028

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 101, 202, 303, 404, 505, 606, 1010, 1212, 1515, 2020, 3030, 3617, 6060, 7234, 10851, 14468, 18085, 21702, 36170, 43404, 54255, 72340, 108510, 217020, 365317, 730634, 1095951, 1461268, 1826585, 2191902, 3653170, 4383804, 5479755, 7306340, 10959510, 21919020]

約数ペア:

[(1, 21919020), (2, 10959510), (3, 7306340), (4, 5479755), (5, 4383804), (6, 3653170), (10, 2191902), (12, 1826585), (15, 1461268), (20, 1095951), (30, 730634), (60, 365317), (101, 217020), (202, 108510), (303, 72340), (404, 54255), (505, 43404), (606, 36170), (1010, 21702), (1212, 18085), (1515, 14468), (2020, 10851), (3030, 7234), (3617, 6060)]