21906764

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{21647}}^1$

素因数の和:21685

約数の個数: 24

約数和(自身を含む): 43642368

約数和(自身を除く): 21735604

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 253, 506, 1012, 21647, 43294, 86588, 238117, 476234, 497881, 952468, 995762, 1991524, 5476691, 10953382, 21906764]

約数ペア:

[(1, 21906764), (2, 10953382), (4, 5476691), (11, 1991524), (22, 995762), (23, 952468), (44, 497881), (46, 476234), (92, 238117), (253, 86588), (506, 43294), (1012, 21647)]