21959380

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37861}}^1$

素因数の和:37899

約数の個数: 24

約数和(自身を含む): 47706120

約数和(自身を除く): 25746740

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 37861, 75722, 151444, 189305, 378610, 757220, 1097969, 2195938, 4391876, 5489845, 10979690, 21959380]

約数ペア:

[(1, 21959380), (2, 10979690), (4, 5489845), (5, 4391876), (10, 2195938), (20, 1097969), (29, 757220), (58, 378610), (116, 189305), (145, 151444), (290, 75722), (580, 37861)]