21000201274

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{2441}}^1\times {\mathrm{25453}}^1$

素因数の和:27922

約数の個数: 24

約数和(自身を含む): 34125108732

約数和(自身を除く): 13124907458

約数列:

[1, 2, 13, 26, 169, 338, 2441, 4882, 25453, 31733, 50906, 63466, 330889, 412529, 661778, 825058, 4301557, 8603114, 62130773, 124261546, 807700049, 1615400098, 10500100637, 21000201274]

約数ペア:

[(1, 21000201274), (2, 10500100637), (13, 1615400098), (26, 807700049), (169, 124261546), (338, 62130773), (2441, 8603114), (4882, 4301557), (25453, 825058), (31733, 661778), (50906, 412529), (63466, 330889)]