21100266

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{1747}}^1$

素因数の和:1827

約数の個数: 48

約数和(自身を含む): 50719968

約数和(自身を除く): 29619702

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 61, 66, 99, 122, 183, 198, 366, 549, 671, 1098, 1342, 1747, 2013, 3494, 4026, 5241, 6039, 10482, 12078, 15723, 19217, 31446, 38434, 57651, 106567, 115302, 172953, 213134, 319701, 345906, 639402, 959103, 1172237, 1918206, 2344474, 3516711, 7033422, 10550133, 21100266]

約数ペア:

[(1, 21100266), (2, 10550133), (3, 7033422), (6, 3516711), (9, 2344474), (11, 1918206), (18, 1172237), (22, 959103), (33, 639402), (61, 345906), (66, 319701), (99, 213134), (122, 172953), (183, 115302), (198, 106567), (366, 57651), (549, 38434), (671, 31446), (1098, 19217), (1342, 15723), (1747, 12078), (2013, 10482), (3494, 6039), (4026, 5241)]