21872024

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{66683}}^1$

素因数の和:66730

約数の個数: 16

約数和(自身を含む): 42010920

約数和(自身を除く): 20138896

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 66683, 133366, 266732, 533464, 2734003, 5468006, 10936012, 21872024]

約数ペア:

[(1, 21872024), (2, 10936012), (4, 5468006), (8, 2734003), (41, 533464), (82, 266732), (164, 133366), (328, 66683)]