21292871

素因数分解:

${\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{191}}^1$

素因数の和:382

約数の個数: 16

約数和(自身を含む): 23113728

約数和(自身を除く): 1820857

約数列:

[1, 23, 37, 131, 191, 851, 3013, 4393, 4847, 7067, 25021, 111481, 162541, 575483, 925777, 21292871]

約数ペア:

[(1, 21292871), (23, 925777), (37, 575483), (131, 162541), (191, 111481), (851, 25021), (3013, 7067), (4393, 4847)]