21006420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{350107}}^1$

素因数の和:350119

約数の個数: 24

約数和(自身を含む): 58818144

約数和(自身を除く): 37811724

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 350107, 700214, 1050321, 1400428, 1750535, 2100642, 3501070, 4201284, 5251605, 7002140, 10503210, 21006420]

約数ペア:

[(1, 21006420), (2, 10503210), (3, 7002140), (4, 5251605), (5, 4201284), (6, 3501070), (10, 2100642), (12, 1750535), (15, 1400428), (20, 1050321), (30, 700214), (60, 350107)]