21082418

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{1567}}^1$

素因数の和:1638

約数の個数: 24

約数和(自身を含む): 37368576

約数和(自身を除く): 16286158

約数列:

[1, 2, 7, 14, 31, 62, 217, 434, 961, 1567, 1922, 3134, 6727, 10969, 13454, 21938, 48577, 97154, 340039, 680078, 1505887, 3011774, 10541209, 21082418]

約数ペア:

[(1, 21082418), (2, 10541209), (7, 3011774), (14, 1505887), (31, 680078), (62, 340039), (217, 97154), (434, 48577), (961, 21938), (1567, 13454), (1922, 10969), (3134, 6727)]