21726051

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{9907}}^1$

素因数の和:9970

約数の個数: 16

約数和(自身を含む): 31388544

約数和(自身を除く): 9662493

約数列:

[1, 3, 17, 43, 51, 129, 731, 2193, 9907, 29721, 168419, 426001, 505257, 1278003, 7242017, 21726051]

約数ペア:

[(1, 21726051), (3, 7242017), (17, 1278003), (43, 505257), (51, 426001), (129, 168419), (731, 29721), (2193, 9907)]