21368544

素因数分解:

$2^5\times 3^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:204

約数の個数: 96

約数和(自身を含む): 59058720

約数和(自身を除く): 37690176

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 41, 48, 61, 82, 89, 96, 122, 123, 164, 178, 183, 244, 246, 267, 328, 356, 366, 488, 492, 534, 656, 712, 732, 976, 984, 1068, 1312, 1424, 1464, 1952, 1968, 2136, 2501, 2848, 2928, 3649, 3936, 4272, 5002, 5429, 5856, 7298, 7503, 8544, 10004, 10858, 10947, 14596, 15006, 16287, 20008, 21716, 21894, 29192, 30012, 32574, 40016, 43432, 43788, 58384, 60024, 65148, 80032, 86864, 87576, 116768, 120048, 130296, 173728, 175152, 222589, 240096, 260592, 350304, 445178, 521184, 667767, 890356, 1335534, 1780712, 2671068, 3561424, 5342136, 7122848, 10684272, 21368544]

約数ペア:

[(1, 21368544), (2, 10684272), (3, 7122848), (4, 5342136), (6, 3561424), (8, 2671068), (12, 1780712), (16, 1335534), (24, 890356), (32, 667767), (41, 521184), (48, 445178), (61, 350304), (82, 260592), (89, 240096), (96, 222589), (122, 175152), (123, 173728), (164, 130296), (178, 120048), (183, 116768), (244, 87576), (246, 86864), (267, 80032), (328, 65148), (356, 60024), (366, 58384), (488, 43788), (492, 43432), (534, 40016), (656, 32574), (712, 30012), (732, 29192), (976, 21894), (984, 21716), (1068, 20008), (1312, 16287), (1424, 15006), (1464, 14596), (1952, 10947), (1968, 10858), (2136, 10004), (2501, 8544), (2848, 7503), (2928, 7298), (3649, 5856), (3936, 5429), (4272, 5002)]