21987726

素因数分解:

$2^1\times 3^1\times {\mathrm{41}}^1\times {\mathrm{89381}}^1$

素因数の和:89427

約数の個数: 16

約数和(自身を含む): 45048528

約数和(自身を除く): 23060802

約数列:

[1, 2, 3, 6, 41, 82, 123, 246, 89381, 178762, 268143, 536286, 3664621, 7329242, 10993863, 21987726]

約数ペア:

[(1, 21987726), (2, 10993863), (3, 7329242), (6, 3664621), (41, 536286), (82, 268143), (123, 178762), (246, 89381)]