21343701

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{1709}}^1$

素因数の和:1916

約数の個数: 16

約数和(自身を含む): 29877120

約数和(自身を除く): 8533419

約数列:

[1, 3, 23, 69, 181, 543, 1709, 4163, 5127, 12489, 39307, 117921, 309329, 927987, 7114567, 21343701]

約数ペア:

[(1, 21343701), (3, 7114567), (23, 927987), (69, 309329), (181, 117921), (543, 39307), (1709, 12489), (4163, 5127)]