21048227

素因数分解:

${\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{307}}^1$

素因数の和:470

約数の個数: 16

約数和(自身を含む): 23173920

約数和(自身を除く): 2125693

約数列:

[1, 17, 37, 109, 307, 629, 1853, 4033, 5219, 11359, 33463, 68561, 193103, 568871, 1238131, 21048227]

約数ペア:

[(1, 21048227), (17, 1238131), (37, 568871), (109, 193103), (307, 68561), (629, 33463), (1853, 11359), (4033, 5219)]