21802203

素因数分解:

$3^8\times {\mathrm{3323}}^1$

素因数の和:3347

約数の個数: 18

約数和(自身を含む): 32711484

約数和(自身を除く): 10909281

約数列:

[1, 3, 9, 27, 81, 243, 729, 2187, 3323, 6561, 9969, 29907, 89721, 269163, 807489, 2422467, 7267401, 21802203]

約数ペア:

[(1, 21802203), (3, 7267401), (9, 2422467), (27, 807489), (81, 269163), (243, 89721), (729, 29907), (2187, 9969), (3323, 6561)]