21302946

素因数分解:

$2^1\times 3^3\times 7^2\times {\mathrm{83}}^1\times {\mathrm{97}}^1$

素因数の和:205

約数の個数: 96

約数和(自身を含む): 56306880

約数和(自身を除く): 35003934

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 49, 54, 63, 83, 97, 98, 126, 147, 166, 189, 194, 249, 291, 294, 378, 441, 498, 581, 582, 679, 747, 873, 882, 1162, 1323, 1358, 1494, 1743, 1746, 2037, 2241, 2619, 2646, 3486, 4067, 4074, 4482, 4753, 5229, 5238, 6111, 8051, 8134, 9506, 10458, 12201, 12222, 14259, 15687, 16102, 18333, 24153, 24402, 28518, 31374, 36603, 36666, 42777, 48306, 56357, 72459, 73206, 85554, 109809, 112714, 128331, 144918, 169071, 217377, 219618, 256662, 338142, 394499, 434754, 507213, 788998, 1014426, 1183497, 1521639, 2366994, 3043278, 3550491, 7100982, 10651473, 21302946]

約数ペア:

[(1, 21302946), (2, 10651473), (3, 7100982), (6, 3550491), (7, 3043278), (9, 2366994), (14, 1521639), (18, 1183497), (21, 1014426), (27, 788998), (42, 507213), (49, 434754), (54, 394499), (63, 338142), (83, 256662), (97, 219618), (98, 217377), (126, 169071), (147, 144918), (166, 128331), (189, 112714), (194, 109809), (249, 85554), (291, 73206), (294, 72459), (378, 56357), (441, 48306), (498, 42777), (581, 36666), (582, 36603), (679, 31374), (747, 28518), (873, 24402), (882, 24153), (1162, 18333), (1323, 16102), (1358, 15687), (1494, 14259), (1743, 12222), (1746, 12201), (2037, 10458), (2241, 9506), (2619, 8134), (2646, 8051), (3486, 6111), (4067, 5238), (4074, 5229), (4482, 4753)]