21168268

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{481097}}^1$

素因数の和:481112

約数の個数: 12

約数和(自身を含む): 40412232

約数和(自身を除く): 19243964

約数列:

[1, 2, 4, 11, 22, 44, 481097, 962194, 1924388, 5292067, 10584134, 21168268]

約数ペア:

[(1, 21168268), (2, 10584134), (4, 5292067), (11, 1924388), (22, 962194), (44, 481097)]