21935655

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{839}}^1$

素因数の和:940

約数の個数: 48

約数和(自身を含む): 44029440

約数和(自身を除く): 22093785

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 83, 105, 249, 315, 415, 581, 747, 839, 1245, 1743, 2517, 2905, 3735, 4195, 5229, 5873, 7551, 8715, 12585, 17619, 26145, 29365, 37755, 52857, 69637, 88095, 208911, 264285, 348185, 487459, 626733, 1044555, 1462377, 2437295, 3133665, 4387131, 7311885, 21935655]

約数ペア:

[(1, 21935655), (3, 7311885), (5, 4387131), (7, 3133665), (9, 2437295), (15, 1462377), (21, 1044555), (35, 626733), (45, 487459), (63, 348185), (83, 264285), (105, 208911), (249, 88095), (315, 69637), (415, 52857), (581, 37755), (747, 29365), (839, 26145), (1245, 17619), (1743, 12585), (2517, 8715), (2905, 7551), (3735, 5873), (4195, 5229)]