21748892

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{21491}}^1$

素因数の和:21529

約数の個数: 24

約数和(自身を含む): 43327872

約数和(自身を除く): 21578980

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 253, 506, 1012, 21491, 42982, 85964, 236401, 472802, 494293, 945604, 988586, 1977172, 5437223, 10874446, 21748892]

約数ペア:

[(1, 21748892), (2, 10874446), (4, 5437223), (11, 1977172), (22, 988586), (23, 945604), (44, 494293), (46, 472802), (92, 236401), (253, 85964), (506, 42982), (1012, 21491)]