20210042

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{199}}^1$

素因数の和:350

約数の個数: 32

約数和(自身を含む): 33696000

約数和(自身を除く): 13485958

約数列:

[1, 2, 17, 29, 34, 58, 103, 199, 206, 398, 493, 986, 1751, 2987, 3383, 3502, 5771, 5974, 6766, 11542, 20497, 40994, 50779, 98107, 101558, 196214, 348449, 594413, 696898, 1188826, 10105021, 20210042]

約数ペア:

[(1, 20210042), (2, 10105021), (17, 1188826), (29, 696898), (34, 594413), (58, 348449), (103, 196214), (199, 101558), (206, 98107), (398, 50779), (493, 40994), (986, 20497), (1751, 11542), (2987, 6766), (3383, 5974), (3502, 5771)]