21730402

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1\times {\mathrm{769}}^1$

素因数の和:1041

約数の個数: 16

約数和(自身を含む): 33264000

約数和(自身を除く): 11533598

約数列:

[1, 2, 71, 142, 199, 398, 769, 1538, 14129, 28258, 54599, 109198, 153031, 306062, 10865201, 21730402]

約数ペア:

[(1, 21730402), (2, 10865201), (71, 306062), (142, 153031), (199, 109198), (398, 54599), (769, 28258), (1538, 14129)]