21928740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{365479}}^1$

素因数の和:365491

約数の個数: 24

約数和(自身を含む): 61400640

約数和(自身を除く): 39471900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 365479, 730958, 1096437, 1461916, 1827395, 2192874, 3654790, 4385748, 5482185, 7309580, 10964370, 21928740]

約数ペア:

[(1, 21928740), (2, 10964370), (3, 7309580), (4, 5482185), (5, 4385748), (6, 3654790), (10, 2192874), (12, 1827395), (15, 1461916), (20, 1096437), (30, 730958), (60, 365479)]