21872220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{364537}}^1$

素因数の和:364549

約数の個数: 24

約数和(自身を含む): 61242384

約数和(自身を除く): 39370164

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 364537, 729074, 1093611, 1458148, 1822685, 2187222, 3645370, 4374444, 5468055, 7290740, 10936110, 21872220]

約数ペア:

[(1, 21872220), (2, 10936110), (3, 7290740), (4, 5468055), (5, 4374444), (6, 3645370), (10, 2187222), (12, 1822685), (15, 1458148), (20, 1093611), (30, 729074), (60, 364537)]