21202289920

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{971}}^1\times {\mathrm{2437}}^1$

素因数の和:3436

約数の個数: 144

約数和(自身を含む): 58124884608

約数和(自身を除く): 36922594688

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 971, 1120, 1280, 1792, 1942, 2240, 2437, 3884, 4480, 4855, 4874, 6797, 7768, 8960, 9710, 9748, 12185, 13594, 15536, 17059, 19420, 19496, 24370, 27188, 31072, 33985, 34118, 38840, 38992, 48740, 54376, 62144, 67970, 68236, 77680, 77984, 85295, 97480, 108752, 124288, 135940, 136472, 155360, 155968, 170590, 194960, 217504, 248576, 271880, 272944, 310720, 311936, 341180, 389920, 435008, 543760, 545888, 621440, 623872, 682360, 779840, 870016, 1087520, 1091776, 1242880, 1364720, 1559680, 1740032, 2175040, 2183552, 2366327, 2729440, 3119360, 4350080, 4367104, 4732654, 5458880, 8700160, 9465308, 10917760, 11831635, 16564289, 18930616, 21835520, 23663270, 33128578, 37861232, 47326540, 66257156, 75722464, 82821445, 94653080, 132514312, 151444928, 165642890, 189306160, 265028624, 302889856, 331285780, 378612320, 530057248, 605779712, 662571560, 757224640, 1060114496, 1325143120, 1514449280, 2120228992, 2650286240, 3028898560, 4240457984, 5300572480, 10601144960, 21202289920]

約数ペア:

[(1, 21202289920), (2, 10601144960), (4, 5300572480), (5, 4240457984), (7, 3028898560), (8, 2650286240), (10, 2120228992), (14, 1514449280), (16, 1325143120), (20, 1060114496), (28, 757224640), (32, 662571560), (35, 605779712), (40, 530057248), (56, 378612320), (64, 331285780), (70, 302889856), (80, 265028624), (112, 189306160), (128, 165642890), (140, 151444928), (160, 132514312), (224, 94653080), (256, 82821445), (280, 75722464), (320, 66257156), (448, 47326540), (560, 37861232), (640, 33128578), (896, 23663270), (971, 21835520), (1120, 18930616), (1280, 16564289), (1792, 11831635), (1942, 10917760), (2240, 9465308), (2437, 8700160), (3884, 5458880), (4480, 4732654), (4855, 4367104), (4874, 4350080), (6797, 3119360), (7768, 2729440), (8960, 2366327), (9710, 2183552), (9748, 2175040), (12185, 1740032), (13594, 1559680), (15536, 1364720), (17059, 1242880), (19420, 1091776), (19496, 1087520), (24370, 870016), (27188, 779840), (31072, 682360), (33985, 623872), (34118, 621440), (38840, 545888), (38992, 543760), (48740, 435008), (54376, 389920), (62144, 341180), (67970, 311936), (68236, 310720), (77680, 272944), (77984, 271880), (85295, 248576), (97480, 217504), (108752, 194960), (124288, 170590), (135940, 155968), (136472, 155360)]