21389533

素因数分解:

${\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{4111}}^1$

素因数の和:4176

約数の個数: 12

約数和(自身を含む): 24063424

約数和(自身を除く): 2673891

約数列:

[1, 11, 43, 121, 473, 4111, 5203, 45221, 176773, 497431, 1944503, 21389533]

約数ペア:

[(1, 21389533), (11, 1944503), (43, 497431), (121, 176773), (473, 45221), (4111, 5203)]