21811188

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{259657}}^1$

素因数の和:259671

約数の個数: 24

約数和(自身を含む): 58163392

約数和(自身を除く): 36352204

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 259657, 519314, 778971, 1038628, 1557942, 1817599, 3115884, 3635198, 5452797, 7270396, 10905594, 21811188]

約数ペア:

[(1, 21811188), (2, 10905594), (3, 7270396), (4, 5452797), (6, 3635198), (7, 3115884), (12, 1817599), (14, 1557942), (21, 1038628), (28, 778971), (42, 519314), (84, 259657)]