21188488636

素因数分解:

$2^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{6942493}}^1$

素因数の和:6942613

約数の個数: 24

約数和(自身を含む): 42765763040

約数和(自身を除く): 21577274404

約数列:

[1, 2, 4, 7, 14, 28, 109, 218, 436, 763, 1526, 3052, 6942493, 13884986, 27769972, 48597451, 97194902, 194389804, 756731737, 1513463474, 3026926948, 5297122159, 10594244318, 21188488636]

約数ペア:

[(1, 21188488636), (2, 10594244318), (4, 5297122159), (7, 3026926948), (14, 1513463474), (28, 756731737), (109, 194389804), (218, 97194902), (436, 48597451), (763, 27769972), (1526, 13884986), (3052, 6942493)]