21208049279

素因数分解:

${\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{1123}}^1\times {\mathrm{4241}}^1$

素因数の和:5498

約数の個数: 16

約数和(自身を含む): 21875620704

約数和(自身を除く): 667571425

約数列:

[1, 61, 73, 1123, 4241, 4453, 68503, 81979, 258701, 309593, 4762643, 5000719, 18885173, 290521223, 347672939, 21208049279]

約数ペア:

[(1, 21208049279), (61, 347672939), (73, 290521223), (1123, 18885173), (4241, 5000719), (4453, 4762643), (68503, 309593), (81979, 258701)]