21000969846

素因数分解:

$2^1\times 3^3\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{96479}}^1$

素因数の和:96658

約数の個数: 64

約数和(自身を含む): 48625920000

約数和(自身を除く): 27624950154

約数列:

[1, 2, 3, 6, 9, 18, 27, 29, 54, 58, 87, 139, 174, 261, 278, 417, 522, 783, 834, 1251, 1566, 2502, 3753, 4031, 7506, 8062, 12093, 24186, 36279, 72558, 96479, 108837, 192958, 217674, 289437, 578874, 868311, 1736622, 2604933, 2797891, 5209866, 5595782, 8393673, 13410581, 16787346, 25181019, 26821162, 40231743, 50362038, 75543057, 80463486, 120695229, 151086114, 241390458, 362085687, 388906849, 724171374, 777813698, 1166720547, 2333441094, 3500161641, 7000323282, 10500484923, 21000969846]

約数ペア:

[(1, 21000969846), (2, 10500484923), (3, 7000323282), (6, 3500161641), (9, 2333441094), (18, 1166720547), (27, 777813698), (29, 724171374), (54, 388906849), (58, 362085687), (87, 241390458), (139, 151086114), (174, 120695229), (261, 80463486), (278, 75543057), (417, 50362038), (522, 40231743), (783, 26821162), (834, 25181019), (1251, 16787346), (1566, 13410581), (2502, 8393673), (3753, 5595782), (4031, 5209866), (7506, 2797891), (8062, 2604933), (12093, 1736622), (24186, 868311), (36279, 578874), (72558, 289437), (96479, 217674), (108837, 192958)]