2021320616

素因数分解:

$2^3\times 7^1\times {\mathrm{103}}^1\times {\mathrm{350437}}^1$

素因数の和:350553

約数の個数: 32

約数和(自身を含む): 4373466240

約数和(自身を除く): 2352145624

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 103, 206, 412, 721, 824, 1442, 2884, 5768, 350437, 700874, 1401748, 2453059, 2803496, 4906118, 9812236, 19624472, 36095011, 72190022, 144380044, 252665077, 288760088, 505330154, 1010660308, 2021320616]

約数ペア:

[(1, 2021320616), (2, 1010660308), (4, 505330154), (7, 288760088), (8, 252665077), (14, 144380044), (28, 72190022), (56, 36095011), (103, 19624472), (206, 9812236), (412, 4906118), (721, 2803496), (824, 2453059), (1442, 1401748), (2884, 700874), (5768, 350437)]