21000279832

素因数分解:

$2^3\times 7^1\times {\mathrm{375004997}}^1$

素因数の和:375005010

約数の個数: 16

約数和(自身を含む): 45000599760

約数和(自身を除く): 24000319928

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 375004997, 750009994, 1500019988, 2625034979, 3000039976, 5250069958, 10500139916, 21000279832]

約数ペア:

[(1, 21000279832), (2, 10500139916), (4, 5250069958), (7, 3000039976), (8, 2625034979), (14, 1500019988), (28, 750009994), (56, 375004997)]