21839301

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{193}}^1$

素因数の和:343

約数の個数: 40

約数和(自身を含む): 36056064

約数和(自身を除く): 14216763

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 127, 193, 297, 381, 579, 891, 1143, 1397, 1737, 2123, 3429, 4191, 5211, 6369, 10287, 12573, 15633, 19107, 24511, 37719, 57321, 73533, 113157, 171963, 220599, 269621, 661797, 808863, 1985391, 2426589, 7279767, 21839301]

約数ペア:

[(1, 21839301), (3, 7279767), (9, 2426589), (11, 1985391), (27, 808863), (33, 661797), (81, 269621), (99, 220599), (127, 171963), (193, 113157), (297, 73533), (381, 57321), (579, 37719), (891, 24511), (1143, 19107), (1397, 15633), (1737, 12573), (2123, 10287), (3429, 6369), (4191, 5211)]