21053174

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{10151}}^1$

素因数の和:10231

約数の個数: 16

約数和(自身を含む): 33988896

約数和(自身を除く): 12935722

約数列:

[1, 2, 17, 34, 61, 122, 1037, 2074, 10151, 20302, 172567, 345134, 619211, 1238422, 10526587, 21053174]

約数ペア:

[(1, 21053174), (2, 10526587), (17, 1238422), (34, 619211), (61, 345134), (122, 172567), (1037, 20302), (2074, 10151)]