21182133

素因数分解:

$3^1\times 7^1\times {\mathrm{647}}^1\times {\mathrm{1559}}^1$

素因数の和:2216

約数の個数: 16

約数和(自身を含む): 32348160

約数和(自身を除く): 11166027

約数列:

[1, 3, 7, 21, 647, 1559, 1941, 4529, 4677, 10913, 13587, 32739, 1008673, 3026019, 7060711, 21182133]

約数ペア:

[(1, 21182133), (3, 7060711), (7, 3026019), (21, 1008673), (647, 32739), (1559, 13587), (1941, 10913), (4529, 4677)]