21882791

素因数分解:

$7^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{373}}^1$

素因数の和:443

約数の個数: 24

約数和(自身を含む): 27556320

約数和(自身を除く): 5673529

約数列:

[1, 7, 17, 29, 119, 203, 289, 373, 493, 2023, 2611, 3451, 6341, 8381, 10817, 44387, 58667, 75719, 107797, 183889, 754579, 1287223, 3126113, 21882791]

約数ペア:

[(1, 21882791), (7, 3126113), (17, 1287223), (29, 754579), (119, 183889), (203, 107797), (289, 75719), (373, 58667), (493, 44387), (2023, 10817), (2611, 8381), (3451, 6341)]