21198243

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{33809}}^1$

素因数の和:33842

約数の個数: 16

約数和(自身を含む): 32457600

約数和(自身を除く): 11259357

約数列:

[1, 3, 11, 19, 33, 57, 209, 627, 33809, 101427, 371899, 642371, 1115697, 1927113, 7066081, 21198243]

約数ペア:

[(1, 21198243), (3, 7066081), (11, 1927113), (19, 1115697), (33, 642371), (57, 371899), (209, 101427), (627, 33809)]