21706712

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{66179}}^1$

素因数の和:66226

約数の個数: 16

約数和(自身を含む): 41693400

約数和(自身を除く): 19986688

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 66179, 132358, 264716, 529432, 2713339, 5426678, 10853356, 21706712]

約数ペア:

[(1, 21706712), (2, 10853356), (4, 5426678), (8, 2713339), (41, 529432), (82, 264716), (164, 132358), (328, 66179)]