21292620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{354877}}^1$

素因数の和:354889

約数の個数: 24

約数和(自身を含む): 59619504

約数和(自身を除く): 38326884

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 354877, 709754, 1064631, 1419508, 1774385, 2129262, 3548770, 4258524, 5323155, 7097540, 10646310, 21292620]

約数ペア:

[(1, 21292620), (2, 10646310), (3, 7097540), (4, 5323155), (5, 4258524), (6, 3548770), (10, 2129262), (12, 1774385), (15, 1419508), (20, 1064631), (30, 709754), (60, 354877)]