21954260

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{10259}}^1$

素因数の和:10375

約数の個数: 24

約数和(自身を含む): 46539360

約数和(自身を除く): 24585100

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 10259, 20518, 41036, 51295, 102590, 205180, 1097713, 2195426, 4390852, 5488565, 10977130, 21954260]

約数ペア:

[(1, 21954260), (2, 10977130), (4, 5488565), (5, 4390852), (10, 2195426), (20, 1097713), (107, 205180), (214, 102590), (428, 51295), (535, 41036), (1070, 20518), (2140, 10259)]