21092553

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{653}}^1$

素因数の和:793

約数の個数: 24

約数和(自身を含む): 31661448

約数和(自身を除く): 10568895

約数列:

[1, 3, 9, 37, 97, 111, 291, 333, 653, 873, 1959, 3589, 5877, 10767, 24161, 32301, 63341, 72483, 190023, 217449, 570069, 2343617, 7030851, 21092553]

約数ペア:

[(1, 21092553), (3, 7030851), (9, 2343617), (37, 570069), (97, 217449), (111, 190023), (291, 72483), (333, 63341), (653, 32301), (873, 24161), (1959, 10767), (3589, 5877)]