21746728

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{66301}}^1$

素因数の和:66348

約数の個数: 16

約数和(自身を含む): 41770260

約数和(自身を除く): 20023532

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 66301, 132602, 265204, 530408, 2718341, 5436682, 10873364, 21746728]

約数ペア:

[(1, 21746728), (2, 10873364), (4, 5436682), (8, 2718341), (41, 530408), (82, 265204), (164, 132602), (328, 66301)]