21611580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{360193}}^1$

素因数の和:360205

約数の個数: 24

約数和(自身を含む): 60512592

約数和(自身を除く): 38901012

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 360193, 720386, 1080579, 1440772, 1800965, 2161158, 3601930, 4322316, 5402895, 7203860, 10805790, 21611580]

約数ペア:

[(1, 21611580), (2, 10805790), (3, 7203860), (4, 5402895), (5, 4322316), (6, 3601930), (10, 2161158), (12, 1800965), (15, 1440772), (20, 1080579), (30, 720386), (60, 360193)]