21269989871

素因数分解:

${\mathrm{13}}^1\times {\mathrm{5557}}^1\times {\mathrm{294431}}^1$

素因数の和:300001

約数の個数: 8

約数和(自身を含む): 22910342784

約数和(自身を除く): 1640352913

約数列:

[1, 13, 5557, 72241, 294431, 3827603, 1636153067, 21269989871]

約数ペア:

[(1, 21269989871), (13, 1636153067), (5557, 3827603), (72241, 294431)]