21039152

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{45343}}^1$

素因数の和:45380

約数の個数: 20

約数和(自身を含む): 42169920

約数和(自身を除く): 21130768

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 45343, 90686, 181372, 362744, 725488, 1314947, 2629894, 5259788, 10519576, 21039152]

約数ペア:

[(1, 21039152), (2, 10519576), (4, 5259788), (8, 2629894), (16, 1314947), (29, 725488), (58, 362744), (116, 181372), (232, 90686), (464, 45343)]