21793303

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{4259}}^1$

素因数の和:4326

約数の個数: 16

約数和(自身を含む): 26991360

約数和(自身を除く): 5198057

約数列:

[1, 7, 17, 43, 119, 301, 731, 4259, 5117, 29813, 72403, 183137, 506821, 1281959, 3113329, 21793303]

約数ペア:

[(1, 21793303), (7, 3113329), (17, 1281959), (43, 506821), (119, 183137), (301, 72403), (731, 29813), (4259, 5117)]