20210713809

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47111221}}^1$

素因数の和:47111248

約数の個数: 16

約数和(自身を含む): 31658741184

約数和(自身を除く): 11448027375

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 47111221, 141333663, 518223431, 612445873, 1554670293, 1837337619, 6736904603, 20210713809]

約数ペア:

[(1, 20210713809), (3, 6736904603), (11, 1837337619), (13, 1554670293), (33, 612445873), (39, 518223431), (143, 141333663), (429, 47111221)]