21115188

素因数分解:

$2^2\times 3^3\times {\mathrm{195511}}^1$

素因数の和:195524

約数の個数: 24

約数和(自身を含む): 54743360

約数和(自身を除く): 33628172

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 195511, 391022, 586533, 782044, 1173066, 1759599, 2346132, 3519198, 5278797, 7038396, 10557594, 21115188]

約数ペア:

[(1, 21115188), (2, 10557594), (3, 7038396), (4, 5278797), (6, 3519198), (9, 2346132), (12, 1759599), (18, 1173066), (27, 782044), (36, 586533), (54, 391022), (108, 195511)]