21743620

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37489}}^1$

素因数の和:37527

約数の個数: 24

約数和(自身を含む): 47237400

約数和(自身を除く): 25493780

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 37489, 74978, 149956, 187445, 374890, 749780, 1087181, 2174362, 4348724, 5435905, 10871810, 21743620]

約数ペア:

[(1, 21743620), (2, 10871810), (4, 5435905), (5, 4348724), (10, 2174362), (20, 1087181), (29, 749780), (58, 374890), (116, 187445), (145, 149956), (290, 74978), (580, 37489)]