21124777216

素因数分解:

$2^8\times {\mathrm{82518661}}^1$

素因数の和:82518677

約数の個数: 18

約数和(自身を含む): 42167036282

約数和(自身を除く): 21042259066

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 82518661, 165037322, 330074644, 660149288, 1320298576, 2640597152, 5281194304, 10562388608, 21124777216]

約数ペア:

[(1, 21124777216), (2, 10562388608), (4, 5281194304), (8, 2640597152), (16, 1320298576), (32, 660149288), (64, 330074644), (128, 165037322), (256, 82518661)]