12921718

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{877}}^1$

素因数の和:1071

約数の個数: 16

約数和(自身を含む): 19913040

約数和(自身を除く): 6991322

約数列:

[1, 2, 53, 106, 139, 278, 877, 1754, 7367, 14734, 46481, 92962, 121903, 243806, 6460859, 12921718]

約数ペア:

[(1, 12921718), (2, 6460859), (53, 243806), (106, 121903), (139, 92962), (278, 46481), (877, 14734), (1754, 7367)]