21161008

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{120233}}^1$

素因数の和:120252

約数の個数: 20

約数和(自身を含む): 44727048

約数和(自身を除く): 23566040

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 120233, 240466, 480932, 961864, 1322563, 1923728, 2645126, 5290252, 10580504, 21161008]

約数ペア:

[(1, 21161008), (2, 10580504), (4, 5290252), (8, 2645126), (11, 1923728), (16, 1322563), (22, 961864), (44, 480932), (88, 240466), (176, 120233)]