21949445

素因数分解:

$5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{5861}}^1$

素因数の和:5980

約数の個数: 16

約数和(自身を含む): 30388608

約数和(自身を除く): 8439163

約数列:

[1, 5, 7, 35, 107, 535, 749, 3745, 5861, 29305, 41027, 205135, 627127, 3135635, 4389889, 21949445]

約数ペア:

[(1, 21949445), (5, 4389889), (7, 3135635), (35, 627127), (107, 205135), (535, 41027), (749, 29305), (3745, 5861)]