21591603

素因数分解:

$3^4\times {\mathrm{11}}^2\times {\mathrm{2203}}^1$

素因数の和:2237

約数の個数: 30

約数和(自身を含む): 35468972

約数和(自身を除く): 13877369

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 121, 297, 363, 891, 1089, 2203, 3267, 6609, 9801, 19827, 24233, 59481, 72699, 178443, 218097, 266563, 654291, 799689, 1962873, 2399067, 7197201, 21591603]

約数ペア:

[(1, 21591603), (3, 7197201), (9, 2399067), (11, 1962873), (27, 799689), (33, 654291), (81, 266563), (99, 218097), (121, 178443), (297, 72699), (363, 59481), (891, 24233), (1089, 19827), (2203, 9801), (3267, 6609)]