21346689

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{78193}}^1$

素因数の和:78216

約数の個数: 16

約数和(自身を含む): 35030912

約数和(自身を除く): 13684223

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 78193, 234579, 547351, 1016509, 1642053, 3049527, 7115563, 21346689]

約数ペア:

[(1, 21346689), (3, 7115563), (7, 3049527), (13, 1642053), (21, 1016509), (39, 547351), (91, 234579), (273, 78193)]