21109814

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41719}}^1$

素因数の和:41755

約数の個数: 16

約数和(自身を含む): 36046080

約数和(自身を除く): 14936266

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 41719, 83438, 458909, 917818, 959537, 1919074, 10554907, 21109814]

約数ペア:

[(1, 21109814), (2, 10554907), (11, 1919074), (22, 959537), (23, 917818), (46, 458909), (253, 83438), (506, 41719)]