21326366

素因数分解:

$2^1\times {\mathrm{43}}^2\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:240

約数の個数: 24

約数和(自身を含む): 33619680

約数和(自身を除く): 12293314

約数列:

[1, 2, 43, 73, 79, 86, 146, 158, 1849, 3139, 3397, 3698, 5767, 6278, 6794, 11534, 134977, 146071, 247981, 269954, 292142, 495962, 10663183, 21326366]

約数ペア:

[(1, 21326366), (2, 10663183), (43, 495962), (73, 292142), (79, 269954), (86, 247981), (146, 146071), (158, 134977), (1849, 11534), (3139, 6794), (3397, 6278), (3698, 5767)]