21805796

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{317}}^1\times {\mathrm{593}}^1$

素因数の和:943

約数の個数: 24

約数和(自身を含む): 39667320

約数和(自身を除く): 17861524

約数列:

[1, 2, 4, 29, 58, 116, 317, 593, 634, 1186, 1268, 2372, 9193, 17197, 18386, 34394, 36772, 68788, 187981, 375962, 751924, 5451449, 10902898, 21805796]

約数ペア:

[(1, 21805796), (2, 10902898), (4, 5451449), (29, 751924), (58, 375962), (116, 187981), (317, 68788), (593, 36772), (634, 34394), (1186, 18386), (1268, 17197), (2372, 9193)]