21869178

素因数分解:

$2^1\times 3^1\times {\mathrm{53}}^1\times {\mathrm{68771}}^1$

素因数の和:68829

約数の個数: 16

約数和(自身を含む): 44564256

約数和(自身を除く): 22695078

約数列:

[1, 2, 3, 6, 53, 106, 159, 318, 68771, 137542, 206313, 412626, 3644863, 7289726, 10934589, 21869178]

約数ペア:

[(1, 21869178), (2, 10934589), (3, 7289726), (6, 3644863), (53, 412626), (106, 206313), (159, 137542), (318, 68771)]