21988891439

素因数分解:

${\mathrm{661}}^1\times {\mathrm{821}}^1\times {\mathrm{40519}}^1$

素因数の和:42001

約数の個数: 8

約数和(自身を含む): 22049525280

約数和(自身を除く): 60633841

約数列:

[1, 661, 821, 40519, 542681, 26783059, 33266099, 21988891439]

約数ペア:

[(1, 21988891439), (661, 33266099), (821, 26783059), (40519, 542681)]