21081082

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{4297}}^1$

素因数の和:4533

約数の個数: 16

約数和(自身を含む): 34659072

約数和(自身を除く): 13577990

約数列:

[1, 2, 11, 22, 223, 446, 2453, 4297, 4906, 8594, 47267, 94534, 958231, 1916462, 10540541, 21081082]

約数ペア:

[(1, 21081082), (2, 10540541), (11, 1916462), (22, 958231), (223, 94534), (446, 47267), (2453, 8594), (4297, 4906)]