21491409906

素因数分解:

$2^1\times 3^2\times {\mathrm{18539}}^1\times {\mathrm{64403}}^1$

素因数の和:82950

約数の個数: 24

約数和(自身を含む): 46567956240

約数和(自身を除く): 25076546334

約数列:

[1, 2, 3, 6, 9, 18, 18539, 37078, 55617, 64403, 111234, 128806, 166851, 193209, 333702, 386418, 579627, 1159254, 1193967217, 2387934434, 3581901651, 7163803302, 10745704953, 21491409906]

約数ペア:

[(1, 21491409906), (2, 10745704953), (3, 7163803302), (6, 3581901651), (9, 2387934434), (18, 1193967217), (18539, 1159254), (37078, 579627), (55617, 386418), (64403, 333702), (111234, 193209), (128806, 166851)]