21246630

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{708221}}^1$

素因数の和:708231

約数の個数: 16

約数和(自身を含む): 50991984

約数和(自身を除く): 29745354

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 708221, 1416442, 2124663, 3541105, 4249326, 7082210, 10623315, 21246630]

約数ペア:

[(1, 21246630), (2, 10623315), (3, 7082210), (5, 4249326), (6, 3541105), (10, 2124663), (15, 1416442), (30, 708221)]