21402297

素因数分解:

$3^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{4093}}^1$

素因数の和:4189

約数の個数: 24

約数和(自身を含む): 35765184

約数和(自身を除く): 14362887

約数列:

[1, 3, 7, 9, 21, 63, 83, 249, 581, 747, 1743, 4093, 5229, 12279, 28651, 36837, 85953, 257859, 339719, 1019157, 2378033, 3057471, 7134099, 21402297]

約数ペア:

[(1, 21402297), (3, 7134099), (7, 3057471), (9, 2378033), (21, 1019157), (63, 339719), (83, 257859), (249, 85953), (581, 36837), (747, 28651), (1743, 12279), (4093, 5229)]