21885453404

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{321844903}}^1$

素因数の和:321844924

約数の個数: 12

約数和(自身を含む): 40552457904

約数和(自身を除く): 18667004500

約数列:

[1, 2, 4, 17, 34, 68, 321844903, 643689806, 1287379612, 5471363351, 10942726702, 21885453404]

約数ペア:

[(1, 21885453404), (2, 10942726702), (4, 5471363351), (17, 1287379612), (34, 643689806), (68, 321844903)]