21117630

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{839}}^2$

素因数の和:1688

約数の個数: 24

約数和(自身を含む): 50742792

約数和(自身を除く): 29625162

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 839, 1678, 2517, 4195, 5034, 8390, 12585, 25170, 703921, 1407842, 2111763, 3519605, 4223526, 7039210, 10558815, 21117630]

約数ペア:

[(1, 21117630), (2, 10558815), (3, 7039210), (5, 4223526), (6, 3519605), (10, 2111763), (15, 1407842), (30, 703921), (839, 25170), (1678, 12585), (2517, 8390), (4195, 5034)]