21087979392

素因数分解:

$2^7\times 3^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{397}}^1$

素因数の和:613

約数の個数: 256

約数和(自身を含む): 60796569600

約数和(自身を除く): 39708590208

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 32, 34, 48, 51, 64, 68, 79, 96, 102, 103, 128, 136, 158, 192, 204, 206, 237, 272, 309, 316, 384, 397, 408, 412, 474, 544, 618, 632, 794, 816, 824, 948, 1088, 1191, 1236, 1264, 1343, 1588, 1632, 1648, 1751, 1896, 2176, 2382, 2472, 2528, 2686, 3176, 3264, 3296, 3502, 3792, 4029, 4764, 4944, 5056, 5253, 5372, 6352, 6528, 6592, 6749, 7004, 7584, 8058, 8137, 9528, 9888, 10112, 10506, 10744, 12704, 13184, 13498, 14008, 15168, 16116, 16274, 19056, 19776, 20247, 21012, 21488, 24411, 25408, 26996, 28016, 30336, 31363, 32232, 32548, 38112, 39552, 40494, 40891, 42024, 42976, 48822, 50816, 53992, 56032, 62726, 64464, 65096, 76224, 80988, 81782, 84048, 85952, 94089, 97644, 107984, 112064, 122673, 125452, 128928, 130192, 138329, 152448, 161976, 163564, 168096, 171904, 188178, 195288, 215968, 224128, 245346, 250904, 257856, 260384, 276658, 323952, 327128, 336192, 376356, 390576, 414987, 431936, 490692, 501808, 515712, 520768, 533171, 553316, 647904, 654256, 672384, 695147, 752712, 781152, 829974, 863872, 981384, 1003616, 1041536, 1066342, 1106632, 1295808, 1308512, 1390294, 1505424, 1562304, 1599513, 1659948, 1962768, 2007232, 2085441, 2132684, 2213264, 2591616, 2617024, 2780588, 3010848, 3124608, 3199026, 3230389, 3319896, 3925536, 4014464, 4170882, 4265368, 4426528, 5234048, 5561176, 6021696, 6398052, 6460778, 6639792, 7851072, 8341764, 8530736, 8853056, 9691167, 11122352, 12043392, 12796104, 12921556, 13279584, 15702144, 16683528, 17061472, 17706112, 19382334, 22244704, 25592208, 25843112, 26559168, 33367056, 34122944, 38764668, 44489408, 51184416, 51686224, 53118336, 54916613, 66734112, 68245888, 77529336, 88978816, 102368832, 103372448, 109833226, 133468224, 155058672, 164749839, 204737664, 206744896, 219666452, 266936448, 310117344, 329499678, 413489792, 439332904, 620234688, 658999356, 878665808, 1240469376, 1317998712, 1757331616, 2635997424, 3514663232, 5271994848, 7029326464, 10543989696, 21087979392]

約数ペア:

[(1, 21087979392), (2, 10543989696), (3, 7029326464), (4, 5271994848), (6, 3514663232), (8, 2635997424), (12, 1757331616), (16, 1317998712), (17, 1240469376), (24, 878665808), (32, 658999356), (34, 620234688), (48, 439332904), (51, 413489792), (64, 329499678), (68, 310117344), (79, 266936448), (96, 219666452), (102, 206744896), (103, 204737664), (128, 164749839), (136, 155058672), (158, 133468224), (192, 109833226), (204, 103372448), (206, 102368832), (237, 88978816), (272, 77529336), (309, 68245888), (316, 66734112), (384, 54916613), (397, 53118336), (408, 51686224), (412, 51184416), (474, 44489408), (544, 38764668), (618, 34122944), (632, 33367056), (794, 26559168), (816, 25843112), (824, 25592208), (948, 22244704), (1088, 19382334), (1191, 17706112), (1236, 17061472), (1264, 16683528), (1343, 15702144), (1588, 13279584), (1632, 12921556), (1648, 12796104), (1751, 12043392), (1896, 11122352), (2176, 9691167), (2382, 8853056), (2472, 8530736), (2528, 8341764), (2686, 7851072), (3176, 6639792), (3264, 6460778), (3296, 6398052), (3502, 6021696), (3792, 5561176), (4029, 5234048), (4764, 4426528), (4944, 4265368), (5056, 4170882), (5253, 4014464), (5372, 3925536), (6352, 3319896), (6528, 3230389), (6592, 3199026), (6749, 3124608), (7004, 3010848), (7584, 2780588), (8058, 2617024), (8137, 2591616), (9528, 2213264), (9888, 2132684), (10112, 2085441), (10506, 2007232), (10744, 1962768), (12704, 1659948), (13184, 1599513), (13498, 1562304), (14008, 1505424), (15168, 1390294), (16116, 1308512), (16274, 1295808), (19056, 1106632), (19776, 1066342), (20247, 1041536), (21012, 1003616), (21488, 981384), (24411, 863872), (25408, 829974), (26996, 781152), (28016, 752712), (30336, 695147), (31363, 672384), (32232, 654256), (32548, 647904), (38112, 553316), (39552, 533171), (40494, 520768), (40891, 515712), (42024, 501808), (42976, 490692), (48822, 431936), (50816, 414987), (53992, 390576), (56032, 376356), (62726, 336192), (64464, 327128), (65096, 323952), (76224, 276658), (80988, 260384), (81782, 257856), (84048, 250904), (85952, 245346), (94089, 224128), (97644, 215968), (107984, 195288), (112064, 188178), (122673, 171904), (125452, 168096), (128928, 163564), (130192, 161976), (138329, 152448)]