21489302009

素因数分解:

$7^1\times {\mathrm{223}}^1\times {\mathrm{433}}^1\times {\mathrm{31793}}^1$

素因数の和:32456

約数の個数: 16

約数和(自身を含む): 24727084032

約数和(自身を除く): 3237782023

約数列:

[1, 7, 223, 433, 1561, 3031, 31793, 96559, 222551, 675913, 7089839, 13766369, 49628873, 96364583, 3069900287, 21489302009]

約数ペア:

[(1, 21489302009), (7, 3069900287), (223, 96364583), (433, 49628873), (1561, 13766369), (3031, 7089839), (31793, 675913), (96559, 222551)]