21199611

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{4481}}^1$

素因数の和:4586

約数の個数: 16

約数和(自身を含む): 30119040

約数和(自身を除く): 8919429

約数列:

[1, 3, 19, 57, 83, 249, 1577, 4481, 4731, 13443, 85139, 255417, 371923, 1115769, 7066537, 21199611]

約数ペア:

[(1, 21199611), (3, 7066537), (19, 1115769), (57, 371923), (83, 255417), (249, 85139), (1577, 13443), (4481, 4731)]