21610760

素因数分解:

$2^3\times 5^1\times {\mathrm{540269}}^1$

素因数の和:540280

約数の個数: 16

約数和(自身を含む): 48624300

約数和(自身を除く): 27013540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 540269, 1080538, 2161076, 2701345, 4322152, 5402690, 10805380, 21610760]

約数ペア:

[(1, 21610760), (2, 10805380), (4, 5402690), (5, 4322152), (8, 2701345), (10, 2161076), (20, 1080538), (40, 540269)]