21262149

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{19207}}^1$

素因数の和:19257

約数の個数: 16

約数和(自身を含む): 32269440

約数和(自身を除く): 11007291

約数列:

[1, 3, 9, 27, 41, 123, 369, 1107, 19207, 57621, 172863, 518589, 787487, 2362461, 7087383, 21262149]

約数ペア:

[(1, 21262149), (3, 7087383), (9, 2362461), (27, 787487), (41, 518589), (123, 172863), (369, 57621), (1107, 19207)]