21093044287

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{491}}^1\times {\mathrm{361003}}^1$

素因数の和:361518

約数の個数: 16

約数和(自身を含む): 25576411392

約数和(自身を除く): 4483367105

約数列:

[1, 7, 17, 119, 491, 3437, 8347, 58429, 361003, 2527021, 6137051, 42959357, 177252473, 1240767311, 3013292041, 21093044287]

約数ペア:

[(1, 21093044287), (7, 3013292041), (17, 1240767311), (119, 177252473), (491, 42959357), (3437, 6137051), (8347, 2527021), (58429, 361003)]