21071248

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{119723}}^1$

素因数の和:119742

約数の個数: 20

約数和(自身を含む): 44537328

約数和(自身を除く): 23466080

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 119723, 239446, 478892, 957784, 1316953, 1915568, 2633906, 5267812, 10535624, 21071248]

約数ペア:

[(1, 21071248), (2, 10535624), (4, 5267812), (8, 2633906), (11, 1915568), (16, 1316953), (22, 957784), (44, 478892), (88, 239446), (176, 119723)]