21071133

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{827}}^1$

素因数の和:1001

約数の個数: 24

約数和(自身を含む): 32292000

約数和(自身を除く): 11220867

約数列:

[1, 3, 9, 19, 57, 149, 171, 447, 827, 1341, 2481, 2831, 7443, 8493, 15713, 25479, 47139, 123223, 141417, 369669, 1109007, 2341237, 7023711, 21071133]

約数ペア:

[(1, 21071133), (3, 7023711), (9, 2341237), (19, 1109007), (57, 369669), (149, 141417), (171, 123223), (447, 47139), (827, 25479), (1341, 15713), (2481, 8493), (2831, 7443)]