21750718

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{17}}^2\times {\mathrm{311}}^1$

素因数の和:369

約数の個数: 36

約数和(自身を含む): 38217816

約数和(自身を除く): 16467098

約数列:

[1, 2, 11, 17, 22, 34, 121, 187, 242, 289, 311, 374, 578, 622, 2057, 3179, 3421, 4114, 5287, 6358, 6842, 10574, 34969, 37631, 58157, 69938, 75262, 89879, 116314, 179758, 639727, 988669, 1279454, 1977338, 10875359, 21750718]

約数ペア:

[(1, 21750718), (2, 10875359), (11, 1977338), (17, 1279454), (22, 988669), (34, 639727), (121, 179758), (187, 116314), (242, 89879), (289, 75262), (311, 69938), (374, 58157), (578, 37631), (622, 34969), (2057, 10574), (3179, 6842), (3421, 6358), (4114, 5287)]