21000209018

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{227}}^1\times {\mathrm{2011129}}^1$

素因数の和:2011381

約数の個数: 16

約数和(自身を含む): 33014710080

約数和(自身を除く): 12014501062

約数列:

[1, 2, 23, 46, 227, 454, 5221, 10442, 2011129, 4022258, 46255967, 92511934, 456526283, 913052566, 10500104509, 21000209018]

約数ペア:

[(1, 21000209018), (2, 10500104509), (23, 913052566), (46, 456526283), (227, 92511934), (454, 46255967), (5221, 4022258), (10442, 2011129)]