21283846

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{199}}^1\times {\mathrm{1009}}^1$

素因数の和:1263

約数の個数: 16

約数和(自身を含む): 32724000

約数和(自身を除く): 11440154

約数列:

[1, 2, 53, 106, 199, 398, 1009, 2018, 10547, 21094, 53477, 106954, 200791, 401582, 10641923, 21283846]

約数ペア:

[(1, 21283846), (2, 10641923), (53, 401582), (106, 200791), (199, 106954), (398, 53477), (1009, 21094), (2018, 10547)]