21411068

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{33247}}^1$

素因数の和:33281

約数の個数: 24

約数和(自身を含む): 44685312

約数和(自身を除く): 23274244

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 33247, 66494, 132988, 232729, 465458, 764681, 930916, 1529362, 3058724, 5352767, 10705534, 21411068]

約数ペア:

[(1, 21411068), (2, 10705534), (4, 5352767), (7, 3058724), (14, 1529362), (23, 930916), (28, 764681), (46, 465458), (92, 232729), (161, 132988), (322, 66494), (644, 33247)]