21712620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{361877}}^1$

素因数の和:361889

約数の個数: 24

約数和(自身を含む): 60795504

約数和(自身を除く): 39082884

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 361877, 723754, 1085631, 1447508, 1809385, 2171262, 3618770, 4342524, 5428155, 7237540, 10856310, 21712620]

約数ペア:

[(1, 21712620), (2, 10856310), (3, 7237540), (4, 5428155), (5, 4342524), (6, 3618770), (10, 2171262), (12, 1809385), (15, 1447508), (20, 1085631), (30, 723754), (60, 361877)]