21552289

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{1021}}^1$

素因数の和:1152

約数の個数: 16

約数和(自身を含む): 25018560

約数和(自身を除く): 3466271

約数列:

[1, 11, 19, 101, 209, 1021, 1111, 1919, 11231, 19399, 21109, 103121, 213389, 1134331, 1959299, 21552289]

約数ペア:

[(1, 21552289), (11, 1959299), (19, 1134331), (101, 213389), (209, 103121), (1021, 21109), (1111, 19399), (1919, 11231)]