21167357984

素因数分解:

$2^5\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{7621}}^1$

素因数の和:7774

約数の個数: 96

約数和(自身を含む): 44772542640

約数和(自身を除く): 23605184656

約数列:

[1, 2, 4, 8, 16, 29, 32, 41, 58, 73, 82, 116, 146, 164, 232, 292, 328, 464, 584, 656, 928, 1168, 1189, 1312, 2117, 2336, 2378, 2993, 4234, 4756, 5986, 7621, 8468, 9512, 11972, 15242, 16936, 19024, 23944, 30484, 33872, 38048, 47888, 60968, 67744, 86797, 95776, 121936, 173594, 221009, 243872, 312461, 347188, 442018, 556333, 624922, 694376, 884036, 1112666, 1249844, 1388752, 1768072, 2225332, 2499688, 2777504, 3536144, 4450664, 4999376, 7072288, 8901328, 9061369, 9998752, 16133657, 17802656, 18122738, 22809653, 32267314, 36245476, 45619306, 64534628, 72490952, 91238612, 129069256, 144981904, 182477224, 258138512, 289963808, 364954448, 516277024, 661479937, 729908896, 1322959874, 2645919748, 5291839496, 10583678992, 21167357984]

約数ペア:

[(1, 21167357984), (2, 10583678992), (4, 5291839496), (8, 2645919748), (16, 1322959874), (29, 729908896), (32, 661479937), (41, 516277024), (58, 364954448), (73, 289963808), (82, 258138512), (116, 182477224), (146, 144981904), (164, 129069256), (232, 91238612), (292, 72490952), (328, 64534628), (464, 45619306), (584, 36245476), (656, 32267314), (928, 22809653), (1168, 18122738), (1189, 17802656), (1312, 16133657), (2117, 9998752), (2336, 9061369), (2378, 8901328), (2993, 7072288), (4234, 4999376), (4756, 4450664), (5986, 3536144), (7621, 2777504), (8468, 2499688), (9512, 2225332), (11972, 1768072), (15242, 1388752), (16936, 1249844), (19024, 1112666), (23944, 884036), (30484, 694376), (33872, 624922), (38048, 556333), (47888, 442018), (60968, 347188), (67744, 312461), (86797, 243872), (95776, 221009), (121936, 173594)]