21034897

素因数分解:

${\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1\times {\mathrm{199}}^1$

素因数の和:432

約数の個数: 16

約数和(自身を含む): 23385600

約数和(自身を除く): 2350703

約数列:

[1, 13, 47, 173, 199, 611, 2249, 2587, 8131, 9353, 34427, 105703, 121589, 447551, 1618069, 21034897]

約数ペア:

[(1, 21034897), (13, 1618069), (47, 447551), (173, 121589), (199, 105703), (611, 34427), (2249, 9353), (2587, 8131)]