21447745

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{8297}}^1$

素因数の和:8360

約数の個数: 16

約数和(自身を含む): 28677888

約数和(自身を除く): 7230143

約数列:

[1, 5, 11, 47, 55, 235, 517, 2585, 8297, 41485, 91267, 389959, 456335, 1949795, 4289549, 21447745]

約数ペア:

[(1, 21447745), (5, 4289549), (11, 1949795), (47, 456335), (55, 389959), (235, 91267), (517, 41485), (2585, 8297)]