21308309

素因数分解:

${\mathrm{11}}^1\times {\mathrm{1019}}^1\times {\mathrm{1901}}^1$

素因数の和:2931

約数の個数: 8

約数和(自身を含む): 23280480

約数和(自身を除く): 1972171

約数列:

[1, 11, 1019, 1901, 11209, 20911, 1937119, 21308309]

約数ペア:

[(1, 21308309), (11, 1937119), (1019, 20911), (1901, 11209)]