21877784

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{118901}}^1$

素因数の和:118930

約数の個数: 16

約数和(自身を含む): 42804720

約数和(自身を除く): 20926936

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 118901, 237802, 475604, 951208, 2734723, 5469446, 10938892, 21877784]

約数ペア:

[(1, 21877784), (2, 10938892), (4, 5469446), (8, 2734723), (23, 951208), (46, 475604), (92, 237802), (184, 118901)]