21393793120

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{487}}^1\times {\mathrm{643}}^1$

素因数の和:1213

約数の個数: 192

約数和(自身を含む): 58922228736

約数和(自身を除く): 37528435616

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 61, 70, 80, 112, 122, 140, 160, 224, 244, 280, 305, 427, 487, 488, 560, 610, 643, 854, 974, 976, 1120, 1220, 1286, 1708, 1948, 1952, 2135, 2435, 2440, 2572, 3215, 3409, 3416, 3896, 4270, 4501, 4870, 4880, 5144, 6430, 6818, 6832, 7792, 8540, 9002, 9740, 9760, 10288, 12860, 13636, 13664, 15584, 17045, 17080, 18004, 19480, 20576, 22505, 25720, 27272, 29707, 34090, 34160, 36008, 38960, 39223, 45010, 51440, 54544, 59414, 68180, 68320, 72016, 77920, 78446, 90020, 102880, 109088, 118828, 136360, 144032, 148535, 156892, 180040, 196115, 207949, 237656, 272720, 274561, 297070, 313141, 313784, 360080, 392230, 415898, 475312, 545440, 549122, 594140, 626282, 627568, 720160, 784460, 831796, 950624, 1039745, 1098244, 1188280, 1252564, 1255136, 1372805, 1565705, 1568920, 1663592, 2079490, 2191987, 2196488, 2376560, 2505128, 2745610, 3131410, 3137840, 3327184, 4158980, 4383974, 4392976, 4753120, 5010256, 5491220, 6262820, 6275680, 6654368, 8317960, 8767948, 8785952, 10020512, 10959935, 10982440, 12525640, 16635920, 17535896, 19101601, 21919870, 21964880, 25051280, 33271840, 35071792, 38203202, 43839740, 43929760, 50102560, 70143584, 76406404, 87679480, 95508005, 133711207, 152812808, 175358960, 191016010, 267422414, 305625616, 350717920, 382032020, 534844828, 611251232, 668556035, 764064040, 1069689656, 1337112070, 1528128080, 2139379312, 2674224140, 3056256160, 4278758624, 5348448280, 10696896560, 21393793120]

約数ペア:

[(1, 21393793120), (2, 10696896560), (4, 5348448280), (5, 4278758624), (7, 3056256160), (8, 2674224140), (10, 2139379312), (14, 1528128080), (16, 1337112070), (20, 1069689656), (28, 764064040), (32, 668556035), (35, 611251232), (40, 534844828), (56, 382032020), (61, 350717920), (70, 305625616), (80, 267422414), (112, 191016010), (122, 175358960), (140, 152812808), (160, 133711207), (224, 95508005), (244, 87679480), (280, 76406404), (305, 70143584), (427, 50102560), (487, 43929760), (488, 43839740), (560, 38203202), (610, 35071792), (643, 33271840), (854, 25051280), (974, 21964880), (976, 21919870), (1120, 19101601), (1220, 17535896), (1286, 16635920), (1708, 12525640), (1948, 10982440), (1952, 10959935), (2135, 10020512), (2435, 8785952), (2440, 8767948), (2572, 8317960), (3215, 6654368), (3409, 6275680), (3416, 6262820), (3896, 5491220), (4270, 5010256), (4501, 4753120), (4870, 4392976), (4880, 4383974), (5144, 4158980), (6430, 3327184), (6818, 3137840), (6832, 3131410), (7792, 2745610), (8540, 2505128), (9002, 2376560), (9740, 2196488), (9760, 2191987), (10288, 2079490), (12860, 1663592), (13636, 1568920), (13664, 1565705), (15584, 1372805), (17045, 1255136), (17080, 1252564), (18004, 1188280), (19480, 1098244), (20576, 1039745), (22505, 950624), (25720, 831796), (27272, 784460), (29707, 720160), (34090, 627568), (34160, 626282), (36008, 594140), (38960, 549122), (39223, 545440), (45010, 475312), (51440, 415898), (54544, 392230), (59414, 360080), (68180, 313784), (68320, 313141), (72016, 297070), (77920, 274561), (78446, 272720), (90020, 237656), (102880, 207949), (109088, 196115), (118828, 180040), (136360, 156892), (144032, 148535)]