21219180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{353653}}^1$

素因数の和:353665

約数の個数: 24

約数和(自身を含む): 59413872

約数和(自身を除く): 38194692

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 353653, 707306, 1060959, 1414612, 1768265, 2121918, 3536530, 4243836, 5304795, 7073060, 10609590, 21219180]

約数ペア:

[(1, 21219180), (2, 10609590), (3, 7073060), (4, 5304795), (5, 4243836), (6, 3536530), (10, 2121918), (12, 1768265), (15, 1414612), (20, 1060959), (30, 707306), (60, 353653)]