21411201

素因数分解:

$3^1\times 7^1\times {\mathrm{503}}^1\times {\mathrm{2027}}^1$

素因数の和:2540

約数の個数: 16

約数和(自身を含む): 32707584

約数和(自身を除く): 11296383

約数列:

[1, 3, 7, 21, 503, 1509, 2027, 3521, 6081, 10563, 14189, 42567, 1019581, 3058743, 7137067, 21411201]

約数ペア:

[(1, 21411201), (3, 7137067), (7, 3058743), (21, 1019581), (503, 42567), (1509, 14189), (2027, 10563), (3521, 6081)]