21680151966

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{862171}}^1$

素因数の和:862317

約数の個数: 48

約数和(自身を含む): 51647551488

約数和(自身を除く): 29967399522

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 127, 198, 254, 381, 762, 1143, 1397, 2286, 2794, 4191, 8382, 12573, 25146, 862171, 1724342, 2586513, 5173026, 7759539, 9483881, 15519078, 18967762, 28451643, 56903286, 85354929, 109495717, 170709858, 218991434, 328487151, 656974302, 985461453, 1204452887, 1970922906, 2408905774, 3613358661, 7226717322, 10840075983, 21680151966]

約数ペア:

[(1, 21680151966), (2, 10840075983), (3, 7226717322), (6, 3613358661), (9, 2408905774), (11, 1970922906), (18, 1204452887), (22, 985461453), (33, 656974302), (66, 328487151), (99, 218991434), (127, 170709858), (198, 109495717), (254, 85354929), (381, 56903286), (762, 28451643), (1143, 18967762), (1397, 15519078), (2286, 9483881), (2794, 7759539), (4191, 5173026), (8382, 2586513), (12573, 1724342), (25146, 862171)]