21011659008

素因数分解:

$2^8\times 3^1\times {\mathrm{41}}^1\times {\mathrm{683}}^1\times {\mathrm{977}}^1$

素因数の和:1720

約数の個数: 144

約数和(自身を含む): 57428191296

約数和(自身を除く): 36416532288

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 41, 48, 64, 82, 96, 123, 128, 164, 192, 246, 256, 328, 384, 492, 656, 683, 768, 977, 984, 1312, 1366, 1954, 1968, 2049, 2624, 2732, 2931, 3908, 3936, 4098, 5248, 5464, 5862, 7816, 7872, 8196, 10496, 10928, 11724, 15632, 15744, 16392, 21856, 23448, 28003, 31264, 31488, 32784, 40057, 43712, 46896, 56006, 62528, 65568, 80114, 84009, 87424, 93792, 112012, 120171, 125056, 131136, 160228, 168018, 174848, 187584, 224024, 240342, 250112, 262272, 320456, 336036, 375168, 448048, 480684, 524544, 640912, 667291, 672072, 750336, 896096, 961368, 1281824, 1334582, 1344144, 1792192, 1922736, 2001873, 2563648, 2669164, 2688288, 3584384, 3845472, 4003746, 5127296, 5338328, 5376576, 7168768, 7690944, 8007492, 10254592, 10676656, 10753152, 15381888, 16014984, 21353312, 21506304, 27358931, 30763776, 32029968, 42706624, 54717862, 64059936, 82076793, 85413248, 109435724, 128119872, 164153586, 170826496, 218871448, 256239744, 328307172, 437742896, 512479488, 656614344, 875485792, 1313228688, 1750971584, 2626457376, 3501943168, 5252914752, 7003886336, 10505829504, 21011659008]

約数ペア:

[(1, 21011659008), (2, 10505829504), (3, 7003886336), (4, 5252914752), (6, 3501943168), (8, 2626457376), (12, 1750971584), (16, 1313228688), (24, 875485792), (32, 656614344), (41, 512479488), (48, 437742896), (64, 328307172), (82, 256239744), (96, 218871448), (123, 170826496), (128, 164153586), (164, 128119872), (192, 109435724), (246, 85413248), (256, 82076793), (328, 64059936), (384, 54717862), (492, 42706624), (656, 32029968), (683, 30763776), (768, 27358931), (977, 21506304), (984, 21353312), (1312, 16014984), (1366, 15381888), (1954, 10753152), (1968, 10676656), (2049, 10254592), (2624, 8007492), (2732, 7690944), (2931, 7168768), (3908, 5376576), (3936, 5338328), (4098, 5127296), (5248, 4003746), (5464, 3845472), (5862, 3584384), (7816, 2688288), (7872, 2669164), (8196, 2563648), (10496, 2001873), (10928, 1922736), (11724, 1792192), (15632, 1344144), (15744, 1334582), (16392, 1281824), (21856, 961368), (23448, 896096), (28003, 750336), (31264, 672072), (31488, 667291), (32784, 640912), (40057, 524544), (43712, 480684), (46896, 448048), (56006, 375168), (62528, 336036), (65568, 320456), (80114, 262272), (84009, 250112), (87424, 240342), (93792, 224024), (112012, 187584), (120171, 174848), (125056, 168018), (131136, 160228)]