21184184

素因数分解:

$2^3\times 7^1\times {\mathrm{378289}}^1$

素因数の和:378302

約数の個数: 16

約数和(自身を含む): 45394800

約数和(自身を除く): 24210616

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 378289, 756578, 1513156, 2648023, 3026312, 5296046, 10592092, 21184184]

約数ペア:

[(1, 21184184), (2, 10592092), (4, 5296046), (7, 3026312), (8, 2648023), (14, 1513156), (28, 756578), (56, 378289)]