21017799

素因数分解:

$3^6\times {\mathrm{11}}^1\times {\mathrm{2621}}^1$

素因数の和:2650

約数の個数: 28

約数和(自身を含む): 34390152

約数和(自身を除く): 13372353

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 243, 297, 729, 891, 2621, 2673, 7863, 8019, 23589, 28831, 70767, 86493, 212301, 259479, 636903, 778437, 1910709, 2335311, 7005933, 21017799]

約数ペア:

[(1, 21017799), (3, 7005933), (9, 2335311), (11, 1910709), (27, 778437), (33, 636903), (81, 259479), (99, 212301), (243, 86493), (297, 70767), (729, 28831), (891, 23589), (2621, 8019), (2673, 7863)]