21509433

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{1301}}^1$

素因数の和:1485

約数の個数: 24

約数和(自身を含む): 34122816

約数和(自身を除く): 12613383

約数列:

[1, 3, 9, 11, 33, 99, 167, 501, 1301, 1503, 1837, 3903, 5511, 11709, 14311, 16533, 42933, 128799, 217267, 651801, 1955403, 2389937, 7169811, 21509433]

約数ペア:

[(1, 21509433), (3, 7169811), (9, 2389937), (11, 1955403), (33, 651801), (99, 217267), (167, 128799), (501, 42933), (1301, 16533), (1503, 14311), (1837, 11709), (3903, 5511)]