21867076

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{70997}}^1$

素因数の和:71019

約数の個数: 24

約数和(自身を含む): 47710656

約数和(自身を除く): 25843580

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 70997, 141994, 283988, 496979, 780967, 993958, 1561934, 1987916, 3123868, 5466769, 10933538, 21867076]

約数ペア:

[(1, 21867076), (2, 10933538), (4, 5466769), (7, 3123868), (11, 1987916), (14, 1561934), (22, 993958), (28, 780967), (44, 496979), (77, 283988), (154, 141994), (308, 70997)]