21243568

素因数分解:

$2^4\times {\mathrm{227}}^1\times {\mathrm{5849}}^1$

素因数の和:6084

約数の個数: 20

約数和(自身を含む): 41347800

約数和(自身を除く): 20104232

約数列:

[1, 2, 4, 8, 16, 227, 454, 908, 1816, 3632, 5849, 11698, 23396, 46792, 93584, 1327723, 2655446, 5310892, 10621784, 21243568]

約数ペア:

[(1, 21243568), (2, 10621784), (4, 5310892), (8, 2655446), (16, 1327723), (227, 93584), (454, 46792), (908, 23396), (1816, 11698), (3632, 5849)]