21332245

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{4673}}^1$

素因数の和:4772

約数の個数: 16

約数和(自身を含む): 28268352

約数和(自身を除く): 6936107

約数列:

[1, 5, 11, 55, 83, 415, 913, 4565, 4673, 23365, 51403, 257015, 387859, 1939295, 4266449, 21332245]

約数ペア:

[(1, 21332245), (5, 4266449), (11, 1939295), (55, 387859), (83, 257015), (415, 51403), (913, 23365), (4565, 4673)]