21821589

素因数分解:

$3^3\times {\mathrm{557}}^1\times {\mathrm{1451}}^1$

素因数の和:2017

約数の個数: 16

約数和(自身を含む): 32408640

約数和(自身を除く): 10587051

約数列:

[1, 3, 9, 27, 557, 1451, 1671, 4353, 5013, 13059, 15039, 39177, 808207, 2424621, 7273863, 21821589]

約数ペア:

[(1, 21821589), (3, 7273863), (9, 2424621), (27, 808207), (557, 39177), (1451, 15039), (1671, 13059), (4353, 5013)]