21803894

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^3\times {\mathrm{317}}^1$

素因数の和:377

約数の個数: 32

約数和(自身を含む): 39839040

約数和(自身を除く): 18035146

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 289, 317, 578, 634, 2023, 2219, 4046, 4438, 4913, 5389, 9826, 10778, 34391, 37723, 68782, 75446, 91613, 183226, 641291, 1282582, 1557421, 3114842, 10901947, 21803894]

約数ペア:

[(1, 21803894), (2, 10901947), (7, 3114842), (14, 1557421), (17, 1282582), (34, 641291), (119, 183226), (238, 91613), (289, 75446), (317, 68782), (578, 37723), (634, 34391), (2023, 10778), (2219, 9826), (4046, 5389), (4438, 4913)]