21320374152

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{678647}}^1$

素因数の和:678691

約数の個数: 128

約数和(自身を含む): 70362224640

約数和(自身を除く): 49041850488

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 17, 21, 22, 24, 28, 33, 34, 42, 44, 51, 56, 66, 68, 77, 84, 88, 102, 119, 132, 136, 154, 168, 187, 204, 231, 238, 264, 308, 357, 374, 408, 462, 476, 561, 616, 714, 748, 924, 952, 1122, 1309, 1428, 1496, 1848, 2244, 2618, 2856, 3927, 4488, 5236, 7854, 10472, 15708, 31416, 678647, 1357294, 2035941, 2714588, 4071882, 4750529, 5429176, 7465117, 8143764, 9501058, 11536999, 14251587, 14930234, 16287528, 19002116, 22395351, 23073998, 28503174, 29860468, 34610997, 38004232, 44790702, 46147996, 52255819, 57006348, 59720936, 69221994, 80758993, 89581404, 92295992, 104511638, 114012696, 126906989, 138443988, 156767457, 161517986, 179162808, 209023276, 242276979, 253813978, 276887976, 313534914, 323035972, 380720967, 418046552, 484553958, 507627956, 627069828, 646071944, 761441934, 888348923, 969107916, 1015255912, 1254139656, 1522883868, 1776697846, 1938215832, 2665046769, 3045767736, 3553395692, 5330093538, 7106791384, 10660187076, 21320374152]

約数ペア:

[(1, 21320374152), (2, 10660187076), (3, 7106791384), (4, 5330093538), (6, 3553395692), (7, 3045767736), (8, 2665046769), (11, 1938215832), (12, 1776697846), (14, 1522883868), (17, 1254139656), (21, 1015255912), (22, 969107916), (24, 888348923), (28, 761441934), (33, 646071944), (34, 627069828), (42, 507627956), (44, 484553958), (51, 418046552), (56, 380720967), (66, 323035972), (68, 313534914), (77, 276887976), (84, 253813978), (88, 242276979), (102, 209023276), (119, 179162808), (132, 161517986), (136, 156767457), (154, 138443988), (168, 126906989), (187, 114012696), (204, 104511638), (231, 92295992), (238, 89581404), (264, 80758993), (308, 69221994), (357, 59720936), (374, 57006348), (408, 52255819), (462, 46147996), (476, 44790702), (561, 38004232), (616, 34610997), (714, 29860468), (748, 28503174), (924, 23073998), (952, 22395351), (1122, 19002116), (1309, 16287528), (1428, 14930234), (1496, 14251587), (1848, 11536999), (2244, 9501058), (2618, 8143764), (2856, 7465117), (3927, 5429176), (4488, 4750529), (5236, 4071882), (7854, 2714588), (10472, 2035941), (15708, 1357294), (31416, 678647)]