21172218

素因数分解:

$2^1\times 3^1\times {\mathrm{277}}^1\times {\mathrm{12739}}^1$

素因数の和:13021

約数の個数: 16

約数和(自身を含む): 42500640

約数和(自身を除く): 21328422

約数列:

[1, 2, 3, 6, 277, 554, 831, 1662, 12739, 25478, 38217, 76434, 3528703, 7057406, 10586109, 21172218]

約数ペア:

[(1, 21172218), (2, 10586109), (3, 7057406), (6, 3528703), (277, 76434), (554, 38217), (831, 25478), (1662, 12739)]