21386619

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{34439}}^1$

素因数の和:34471

約数の個数: 16

約数和(自身を含む): 33062400

約数和(自身を除く): 11675781

約数列:

[1, 3, 9, 23, 27, 69, 207, 621, 34439, 103317, 309951, 792097, 929853, 2376291, 7128873, 21386619]

約数ペア:

[(1, 21386619), (3, 7128873), (9, 2376291), (23, 929853), (27, 792097), (69, 309951), (207, 103317), (621, 34439)]