21887383

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{937}}^1$

素因数の和:1062

約数の個数: 16

約数和(自身を含む): 25933824

約数和(自身を除く): 4046441

約数列:

[1, 7, 47, 71, 329, 497, 937, 3337, 6559, 23359, 44039, 66527, 308273, 465689, 3126769, 21887383]

約数ペア:

[(1, 21887383), (7, 3126769), (47, 465689), (71, 308273), (329, 66527), (497, 44039), (937, 23359), (3337, 6559)]