21564262

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{8933}}^1$

素因数の和:9023

約数の個数: 16

約数和(自身を含む): 34735392

約数和(自身を除く): 13171130

約数列:

[1, 2, 17, 34, 71, 142, 1207, 2414, 8933, 17866, 151861, 303722, 634243, 1268486, 10782131, 21564262]

約数ペア:

[(1, 21564262), (2, 10782131), (17, 1268486), (34, 634243), (71, 303722), (142, 151861), (1207, 17866), (2414, 8933)]