21622820

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{23003}}^1$

素因数の和:23059

約数の個数: 24

約数和(自身を含む): 46376064

約数和(自身を除く): 24753244

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 23003, 46006, 92012, 115015, 230030, 460060, 1081141, 2162282, 4324564, 5405705, 10811410, 21622820]

約数ペア:

[(1, 21622820), (2, 10811410), (4, 5405705), (5, 4324564), (10, 2162282), (20, 1081141), (47, 460060), (94, 230030), (188, 115015), (235, 92012), (470, 46006), (940, 23003)]