21705196

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{2381}}^1$

素因数の和:2481

約数の個数: 24

約数和(自身を含む): 39617424

約数和(自身を除く): 17912228

約数列:

[1, 2, 4, 43, 53, 86, 106, 172, 212, 2279, 2381, 4558, 4762, 9116, 9524, 102383, 126193, 204766, 252386, 409532, 504772, 5426299, 10852598, 21705196]

約数ペア:

[(1, 21705196), (2, 10852598), (4, 5426299), (43, 504772), (53, 409532), (86, 252386), (106, 204766), (172, 126193), (212, 102383), (2279, 9524), (2381, 9116), (4558, 4762)]