21080460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{351341}}^1$

素因数の和:351353

約数の個数: 24

約数和(自身を含む): 59025456

約数和(自身を除く): 37944996

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 351341, 702682, 1054023, 1405364, 1756705, 2108046, 3513410, 4216092, 5270115, 7026820, 10540230, 21080460]

約数ペア:

[(1, 21080460), (2, 10540230), (3, 7026820), (4, 5270115), (5, 4216092), (6, 3513410), (10, 2108046), (12, 1756705), (15, 1405364), (20, 1054023), (30, 702682), (60, 351341)]