21175504

素因数分解:

$2^4\times 7^1\times {\mathrm{189067}}^1$

素因数の和:189082

約数の個数: 20

約数和(自身を含む): 46888864

約数和(自身を除く): 25713360

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 189067, 378134, 756268, 1323469, 1512536, 2646938, 3025072, 5293876, 10587752, 21175504]

約数ペア:

[(1, 21175504), (2, 10587752), (4, 5293876), (7, 3025072), (8, 2646938), (14, 1512536), (16, 1323469), (28, 756268), (56, 378134), (112, 189067)]