21718375085

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{1913}}^1\times {\mathrm{206419}}^1$

素因数の和:208348

約数の個数: 16

約数和(自身を含む): 28446327360

約数和(自身を除く): 6727952275

約数列:

[1, 5, 11, 55, 1913, 9565, 21043, 105215, 206419, 1032095, 2270609, 11353045, 394879547, 1974397735, 4343675017, 21718375085]

約数ペア:

[(1, 21718375085), (5, 4343675017), (11, 1974397735), (55, 394879547), (1913, 11353045), (9565, 2270609), (21043, 1032095), (105215, 206419)]