21419154

素因数分解:

$2^1\times 3^4\times {\mathrm{109}}^1\times {\mathrm{1213}}^1$

素因数の和:1336

約数の個数: 40

約数和(自身を含む): 48475020

約数和(自身を除く): 27055866

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 109, 162, 218, 327, 654, 981, 1213, 1962, 2426, 2943, 3639, 5886, 7278, 8829, 10917, 17658, 21834, 32751, 65502, 98253, 132217, 196506, 264434, 396651, 793302, 1189953, 2379906, 3569859, 7139718, 10709577, 21419154]

約数ペア:

[(1, 21419154), (2, 10709577), (3, 7139718), (6, 3569859), (9, 2379906), (18, 1189953), (27, 793302), (54, 396651), (81, 264434), (109, 196506), (162, 132217), (218, 98253), (327, 65502), (654, 32751), (981, 21834), (1213, 17658), (1962, 10917), (2426, 8829), (2943, 7278), (3639, 5886)]