21704427

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{1117}}^1$

素因数の和:1267

約数の個数: 24

約数和(自身を含む): 33486336

約数和(自身を除く): 11781909

約数列:

[1, 3, 9, 17, 51, 127, 153, 381, 1117, 1143, 2159, 3351, 6477, 10053, 18989, 19431, 56967, 141859, 170901, 425577, 1276731, 2411603, 7234809, 21704427]

約数ペア:

[(1, 21704427), (3, 7234809), (9, 2411603), (17, 1276731), (51, 425577), (127, 170901), (153, 141859), (381, 56967), (1117, 19431), (1143, 18989), (2159, 10053), (3351, 6477)]