2121845

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{223}}^1$

素因数の和:412

約数の個数: 16

約数和(自身を含む): 2806272

約数和(自身を除く): 684427

約数列:

[1, 5, 11, 55, 173, 223, 865, 1115, 1903, 2453, 9515, 12265, 38579, 192895, 424369, 2121845]

約数ペア:

[(1, 2121845), (5, 424369), (11, 192895), (55, 38579), (173, 12265), (223, 9515), (865, 2453), (1115, 1903)]