21194008

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{240841}}^1$

素因数の和:240858

約数の個数: 16

約数和(自身を含む): 43351560

約数和(自身を除く): 22157552

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 240841, 481682, 963364, 1926728, 2649251, 5298502, 10597004, 21194008]

約数ペア:

[(1, 21194008), (2, 10597004), (4, 5298502), (8, 2649251), (11, 1926728), (22, 963364), (44, 481682), (88, 240841)]