21960554109

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{7930861}}^1$

素因数の和:7930948

約数の個数: 16

約数和(自身を含む): 31977235584

約数和(自身を除く): 10016681475

約数列:

[1, 3, 13, 39, 71, 213, 923, 2769, 7930861, 23792583, 103101193, 309303579, 563091131, 1689273393, 7320184703, 21960554109]

約数ペア:

[(1, 21960554109), (3, 7320184703), (13, 1689273393), (39, 563091131), (71, 309303579), (213, 103101193), (923, 23792583), (2769, 7930861)]