26880294

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{640007}}^1$

素因数の和:640019

約数の個数: 16

約数和(自身を含む): 61440768

約数和(自身を除く): 34560474

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 640007, 1280014, 1920021, 3840042, 4480049, 8960098, 13440147, 26880294]

約数ペア:

[(1, 26880294), (2, 13440147), (3, 8960098), (6, 4480049), (7, 3840042), (14, 1920021), (21, 1280014), (42, 640007)]