21878045222

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{499}}^1\times {\mathrm{28069}}^1$

素因数の和:28652

約数の個数: 32

約数和(自身を含む): 36378720000

約数和(自身を除く): 14500674778

約数列:

[1, 2, 11, 22, 71, 142, 499, 781, 998, 1562, 5489, 10978, 28069, 35429, 56138, 70858, 308759, 389719, 617518, 779438, 1992899, 3985798, 14006431, 21921889, 28012862, 43843778, 154070741, 308141482, 994456601, 1988913202, 10939022611, 21878045222]

約数ペア:

[(1, 21878045222), (2, 10939022611), (11, 1988913202), (22, 994456601), (71, 308141482), (142, 154070741), (499, 43843778), (781, 28012862), (998, 21921889), (1562, 14006431), (5489, 3985798), (10978, 1992899), (28069, 779438), (35429, 617518), (56138, 389719), (70858, 308759)]