21001092

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{250013}}^1$

素因数の和:250027

約数の個数: 24

約数和(自身を含む): 56003136

約数和(自身を除く): 35002044

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 250013, 500026, 750039, 1000052, 1500078, 1750091, 3000156, 3500182, 5250273, 7000364, 10500546, 21001092]

約数ペア:

[(1, 21001092), (2, 10500546), (3, 7000364), (4, 5250273), (6, 3500182), (7, 3000156), (12, 1750091), (14, 1500078), (21, 1000052), (28, 750039), (42, 500026), (84, 250013)]