21931504

素因数分解:

$2^4\times 7^1\times {\mathrm{195817}}^1$

素因数の和:195832

約数の個数: 20

約数和(自身を含む): 48562864

約数和(自身を除く): 26631360

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 195817, 391634, 783268, 1370719, 1566536, 2741438, 3133072, 5482876, 10965752, 21931504]

約数ペア:

[(1, 21931504), (2, 10965752), (4, 5482876), (7, 3133072), (8, 2741438), (14, 1566536), (16, 1370719), (28, 783268), (56, 391634), (112, 195817)]