21198056

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{1733}}^1$

素因数の和:1889

約数の個数: 32

約数和(自身を含む): 43696800

約数和(自身を除く): 22498744

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 139, 278, 556, 1112, 1529, 1733, 3058, 3466, 6116, 6932, 12232, 13864, 19063, 38126, 76252, 152504, 240887, 481774, 963548, 1927096, 2649757, 5299514, 10599028, 21198056]

約数ペア:

[(1, 21198056), (2, 10599028), (4, 5299514), (8, 2649757), (11, 1927096), (22, 963548), (44, 481774), (88, 240887), (139, 152504), (278, 76252), (556, 38126), (1112, 19063), (1529, 13864), (1733, 12232), (3058, 6932), (3466, 6116)]