21098836206

素因数分解:

$2^1\times 3^3\times 7^3\times {\mathrm{1139123}}^1$

素因数の和:1139155

約数の個数: 64

約数和(自身を含む): 54677952000

約数和(自身を除く): 33579115794

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 49, 54, 63, 98, 126, 147, 189, 294, 343, 378, 441, 686, 882, 1029, 1323, 2058, 2646, 3087, 6174, 9261, 18522, 1139123, 2278246, 3417369, 6834738, 7973861, 10252107, 15947722, 20504214, 23921583, 30756321, 47843166, 55817027, 61512642, 71764749, 111634054, 143529498, 167451081, 215294247, 334902162, 390719189, 430588494, 502353243, 781438378, 1004706486, 1172157567, 1507059729, 2344315134, 3014119458, 3516472701, 7032945402, 10549418103, 21098836206]

約数ペア:

[(1, 21098836206), (2, 10549418103), (3, 7032945402), (6, 3516472701), (7, 3014119458), (9, 2344315134), (14, 1507059729), (18, 1172157567), (21, 1004706486), (27, 781438378), (42, 502353243), (49, 430588494), (54, 390719189), (63, 334902162), (98, 215294247), (126, 167451081), (147, 143529498), (189, 111634054), (294, 71764749), (343, 61512642), (378, 55817027), (441, 47843166), (686, 30756321), (882, 23921583), (1029, 20504214), (1323, 15947722), (2058, 10252107), (2646, 7973861), (3087, 6834738), (6174, 3417369), (9261, 2278246), (18522, 1139123)]