21148424

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{8287}}^1$

素因数の和:8333

約数の個数: 32

約数和(自身を含む): 44755200

約数和(自身を除く): 23606776

約数列:

[1, 2, 4, 8, 11, 22, 29, 44, 58, 88, 116, 232, 319, 638, 1276, 2552, 8287, 16574, 33148, 66296, 91157, 182314, 240323, 364628, 480646, 729256, 961292, 1922584, 2643553, 5287106, 10574212, 21148424]

約数ペア:

[(1, 21148424), (2, 10574212), (4, 5287106), (8, 2643553), (11, 1922584), (22, 961292), (29, 729256), (44, 480646), (58, 364628), (88, 240323), (116, 182314), (232, 91157), (319, 66296), (638, 33148), (1276, 16574), (2552, 8287)]