21661262

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{67271}}^1$

素因数の和:67303

約数の個数: 16

約数和(自身を含む): 38748672

約数和(自身を除く): 17087410

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 67271, 134542, 470897, 941794, 1547233, 3094466, 10830631, 21661262]

約数ペア:

[(1, 21661262), (2, 10830631), (7, 3094466), (14, 1547233), (23, 941794), (46, 470897), (161, 134542), (322, 67271)]