210696689

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{9859}}^1$

素因数の和:9980

約数の個数: 16

約数和(自身を含む): 249891840

約数和(自身を除く): 39195151

約数列:

[1, 7, 43, 71, 301, 497, 3053, 9859, 21371, 69013, 423937, 699989, 2967559, 4899923, 30099527, 210696689]

約数ペア:

[(1, 210696689), (7, 30099527), (43, 4899923), (71, 2967559), (301, 699989), (497, 423937), (3053, 69013), (9859, 21371)]