21513014787

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{28343893}}^1$

素因数の和:28343930

約数の個数: 16

約数和(自身を含む): 32652165888

約数和(自身を除く): 11139151101

約数列:

[1, 3, 11, 23, 33, 69, 253, 759, 28343893, 85031679, 311782823, 651909539, 935348469, 1955728617, 7171004929, 21513014787]

約数ペア:

[(1, 21513014787), (3, 7171004929), (11, 1955728617), (23, 935348469), (33, 651909539), (69, 311782823), (253, 85031679), (759, 28343893)]