21491124

素因数分解:

$2^2\times 3^1\times {\mathrm{197}}^1\times {\mathrm{9091}}^1$

素因数の和:9295

約数の個数: 24

約数和(自身を含む): 50406048

約数和(自身を除く): 28914924

約数列:

[1, 2, 3, 4, 6, 12, 197, 394, 591, 788, 1182, 2364, 9091, 18182, 27273, 36364, 54546, 109092, 1790927, 3581854, 5372781, 7163708, 10745562, 21491124]

約数ペア:

[(1, 21491124), (2, 10745562), (3, 7163708), (4, 5372781), (6, 3581854), (12, 1790927), (197, 109092), (394, 54546), (591, 36364), (788, 27273), (1182, 18182), (2364, 9091)]