21862852

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{3793}}^1$

素因数の和:3939

約数の個数: 24

約数和(自身を含む): 42067872

約数和(自身を除く): 20205020

約数列:

[1, 2, 4, 11, 22, 44, 131, 262, 524, 1441, 2882, 3793, 5764, 7586, 15172, 41723, 83446, 166892, 496883, 993766, 1987532, 5465713, 10931426, 21862852]

約数ペア:

[(1, 21862852), (2, 10931426), (4, 5465713), (11, 1987532), (22, 993766), (44, 496883), (131, 166892), (262, 83446), (524, 41723), (1441, 15172), (2882, 7586), (3793, 5764)]