21485299

素因数分解:

${\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{269}}^1$

素因数の和:470

約数の個数: 16

約数和(自身を含む): 24144480

約数和(自身を除く): 2659181

約数列:

[1, 11, 53, 137, 269, 583, 1507, 2959, 7261, 14257, 36853, 79871, 156827, 405383, 1953209, 21485299]

約数ペア:

[(1, 21485299), (11, 1953209), (53, 405383), (137, 156827), (269, 79871), (583, 36853), (1507, 14257), (2959, 7261)]