21089768

素因数分解:

$2^3\times 7^1\times {\mathrm{376603}}^1$

素因数の和:376616

約数の個数: 16

約数和(自身を含む): 45192480

約数和(自身を除く): 24102712

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 376603, 753206, 1506412, 2636221, 3012824, 5272442, 10544884, 21089768]

約数ペア:

[(1, 21089768), (2, 10544884), (4, 5272442), (7, 3012824), (8, 2636221), (14, 1506412), (28, 753206), (56, 376603)]