21048016

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{119591}}^1$

素因数の和:119610

約数の個数: 20

約数和(自身を含む): 44488224

約数和(自身を除く): 23440208

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 119591, 239182, 478364, 956728, 1315501, 1913456, 2631002, 5262004, 10524008, 21048016]

約数ペア:

[(1, 21048016), (2, 10524008), (4, 5262004), (8, 2631002), (11, 1913456), (16, 1315501), (22, 956728), (44, 478364), (88, 239182), (176, 119591)]