21617340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{360289}}^1$

素因数の和:360301

約数の個数: 24

約数和(自身を含む): 60528720

約数和(自身を除く): 38911380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 360289, 720578, 1080867, 1441156, 1801445, 2161734, 3602890, 4323468, 5404335, 7205780, 10808670, 21617340]

約数ペア:

[(1, 21617340), (2, 10808670), (3, 7205780), (4, 5404335), (5, 4323468), (6, 3602890), (10, 2161734), (12, 1801445), (15, 1441156), (20, 1080867), (30, 720578), (60, 360289)]