21322471

素因数分解:

${\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{311}}^1$

素因数の和:474

約数の個数: 16

約数和(自身を含む): 23474880

約数和(自身を除く): 2152409

約数列:

[1, 17, 37, 109, 311, 629, 1853, 4033, 5287, 11507, 33899, 68561, 195619, 576283, 1254263, 21322471]

約数ペア:

[(1, 21322471), (17, 1254263), (37, 576283), (109, 195619), (311, 68561), (629, 33899), (1853, 11507), (4033, 5287)]