21656929

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{1433}}^1$

素因数の和:1584

約数の個数: 16

約数和(自身を含む): 26431488

約数和(自身を除く): 4774559

約数列:

[1, 7, 17, 119, 127, 889, 1433, 2159, 10031, 15113, 24361, 170527, 181991, 1273937, 3093847, 21656929]

約数ペア:

[(1, 21656929), (7, 3093847), (17, 1273937), (119, 181991), (127, 170527), (889, 24361), (1433, 15113), (2159, 10031)]