21286006

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{5261}}^1$

素因数の和:5304

約数の個数: 24

約数和(自身を含む): 38770416

約数和(自身を除く): 17484410

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 289, 578, 2023, 4046, 5261, 10522, 36827, 73654, 89437, 178874, 626059, 1252118, 1520429, 3040858, 10643003, 21286006]

約数ペア:

[(1, 21286006), (2, 10643003), (7, 3040858), (14, 1520429), (17, 1252118), (34, 626059), (119, 178874), (238, 89437), (289, 73654), (578, 36827), (2023, 10522), (4046, 5261)]