21144794

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{13537}}^1$

素因数の和:13621

約数の個数: 16

約数和(自身を含む): 35090496

約数和(自身を除く): 13945702

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 13537, 27074, 148907, 297814, 961127, 1922254, 10572397, 21144794]

約数ペア:

[(1, 21144794), (2, 10572397), (11, 1922254), (22, 961127), (71, 297814), (142, 148907), (781, 27074), (1562, 13537)]