21983004

素因数分解:

$2^2\times 3^2\times {\mathrm{610639}}^1$

素因数の和:610649

約数の個数: 18

約数和(自身を含む): 55568240

約数和(自身を除く): 33585236

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 610639, 1221278, 1831917, 2442556, 3663834, 5495751, 7327668, 10991502, 21983004]

約数ペア:

[(1, 21983004), (2, 10991502), (3, 7327668), (4, 5495751), (6, 3663834), (9, 2442556), (12, 1831917), (18, 1221278), (36, 610639)]