21299311

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{2903}}^1$

素因数の和:2966

約数の個数: 16

約数和(自身を含む): 25090560

約数和(自身を除く): 3791249

約数列:

[1, 11, 23, 29, 253, 319, 667, 2903, 7337, 31933, 66769, 84187, 734459, 926057, 1936301, 21299311]

約数ペア:

[(1, 21299311), (11, 1936301), (23, 926057), (29, 734459), (253, 84187), (319, 66769), (667, 31933), (2903, 7337)]