21000724766

素因数分解:

$2^1\times 7^1\times {\mathrm{11903}}^1\times {\mathrm{126023}}^1$

素因数の和:137935

約数の個数: 16

約数和(自身を含む): 36004552704

約数和(自身を除く): 15003827938

約数列:

[1, 2, 7, 14, 11903, 23806, 83321, 126023, 166642, 252046, 882161, 1764322, 1500051769, 3000103538, 10500362383, 21000724766]

約数ペア:

[(1, 21000724766), (2, 10500362383), (7, 3000103538), (14, 1500051769), (11903, 1764322), (23806, 882161), (83321, 252046), (126023, 166642)]