21041073

素因数分解:

$3^3\times {\mathrm{599}}^1\times {\mathrm{1301}}^1$

素因数の和:1909

約数の個数: 16

約数和(自身を含む): 31248000

約数和(自身を除く): 10206927

約数列:

[1, 3, 9, 27, 599, 1301, 1797, 3903, 5391, 11709, 16173, 35127, 779299, 2337897, 7013691, 21041073]

約数ペア:

[(1, 21041073), (3, 7013691), (9, 2337897), (27, 779299), (599, 35127), (1301, 16173), (1797, 11709), (3903, 5391)]