21964142

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{2011}}^1$

素因数の和:2183

約数の個数: 16

約数和(自身を含む): 33994752

約数和(自身を除く): 12030610

約数列:

[1, 2, 43, 86, 127, 254, 2011, 4022, 5461, 10922, 86473, 172946, 255397, 510794, 10982071, 21964142]

約数ペア:

[(1, 21964142), (2, 10982071), (43, 510794), (86, 255397), (127, 172946), (254, 86473), (2011, 10922), (4022, 5461)]