21429214

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{307}}^1\times {\mathrm{2053}}^1$

素因数の和:2379

約数の個数: 16

約数和(自身を含む): 34162128

約数和(自身を除く): 12732914

約数列:

[1, 2, 17, 34, 307, 614, 2053, 4106, 5219, 10438, 34901, 69802, 630271, 1260542, 10714607, 21429214]

約数ペア:

[(1, 21429214), (2, 10714607), (17, 1260542), (34, 630271), (307, 69802), (614, 34901), (2053, 10438), (4106, 5219)]