21785950

素因数分解:

$2^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{10133}}^1$

素因数の和:10188

約数の個数: 24

約数和(自身を含む): 41468328

約数和(自身を除く): 19682378

約数列:

[1, 2, 5, 10, 25, 43, 50, 86, 215, 430, 1075, 2150, 10133, 20266, 50665, 101330, 253325, 435719, 506650, 871438, 2178595, 4357190, 10892975, 21785950]

約数ペア:

[(1, 21785950), (2, 10892975), (5, 4357190), (10, 2178595), (25, 871438), (43, 506650), (50, 435719), (86, 253325), (215, 101330), (430, 50665), (1075, 20266), (2150, 10133)]