21060193

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{479}}^1\times {\mathrm{571}}^1$

素因数の和:1068

約数の個数: 16

約数和(自身を含む): 26357760

約数和(自身を除く): 5297567

約数列:

[1, 7, 11, 77, 479, 571, 3353, 3997, 5269, 6281, 36883, 43967, 273509, 1914563, 3008599, 21060193]

約数ペア:

[(1, 21060193), (7, 3008599), (11, 1914563), (77, 273509), (479, 43967), (571, 36883), (3353, 6281), (3997, 5269)]