21556986

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19213}}^1$

素因数の和:19246

約数の個数: 32

約数和(自身を含む): 49802688

約数和(自身を除く): 28245702

約数列:

[1, 2, 3, 6, 11, 17, 22, 33, 34, 51, 66, 102, 187, 374, 561, 1122, 19213, 38426, 57639, 115278, 211343, 326621, 422686, 634029, 653242, 979863, 1268058, 1959726, 3592831, 7185662, 10778493, 21556986]

約数ペア:

[(1, 21556986), (2, 10778493), (3, 7185662), (6, 3592831), (11, 1959726), (17, 1268058), (22, 979863), (33, 653242), (34, 634029), (51, 422686), (66, 326621), (102, 211343), (187, 115278), (374, 57639), (561, 38426), (1122, 19213)]