21115134

素因数分解:

$2^1\times 3^3\times {\mathrm{391021}}^1$

素因数の和:391032

約数の個数: 16

約数和(自身を含む): 46922640

約数和(自身を除く): 25807506

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 391021, 782042, 1173063, 2346126, 3519189, 7038378, 10557567, 21115134]

約数ペア:

[(1, 21115134), (2, 10557567), (3, 7038378), (6, 3519189), (9, 2346126), (18, 1173063), (27, 782042), (54, 391021)]