21325506

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{82657}}^1$

素因数の和:82705

約数の個数: 16

約数和(自身を含む): 43643424

約数和(自身を除く): 22317918

約数列:

[1, 2, 3, 6, 43, 86, 129, 258, 82657, 165314, 247971, 495942, 3554251, 7108502, 10662753, 21325506]

約数ペア:

[(1, 21325506), (2, 10662753), (3, 7108502), (6, 3554251), (43, 495942), (86, 247971), (129, 165314), (258, 82657)]