21307363

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{1657}}^1$

素因数の和:1842

約数の個数: 16

約数和(自身を含む): 26740224

約数和(自身を除く): 5432861

約数列:

[1, 7, 11, 77, 167, 1169, 1657, 1837, 11599, 12859, 18227, 127589, 276719, 1937033, 3043909, 21307363]

約数ペア:

[(1, 21307363), (7, 3043909), (11, 1937033), (77, 276719), (167, 127589), (1169, 18227), (1657, 12859), (1837, 11599)]