21971580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{366193}}^1$

素因数の和:366205

約数の個数: 24

約数和(自身を含む): 61520592

約数和(自身を除く): 39549012

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 366193, 732386, 1098579, 1464772, 1830965, 2197158, 3661930, 4394316, 5492895, 7323860, 10985790, 21971580]

約数ペア:

[(1, 21971580), (2, 10985790), (3, 7323860), (4, 5492895), (5, 4394316), (6, 3661930), (10, 2197158), (12, 1830965), (15, 1464772), (20, 1098579), (30, 732386), (60, 366193)]