21779856

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:110

約数の個数: 240

約数和(自身を含む): 77995008

約数和(自身を除く): 56215152

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 17, 18, 21, 24, 28, 31, 34, 36, 41, 42, 48, 51, 56, 62, 63, 68, 72, 82, 84, 93, 102, 112, 119, 123, 124, 126, 136, 144, 153, 164, 168, 186, 204, 217, 238, 246, 248, 252, 272, 279, 287, 306, 328, 336, 357, 369, 372, 408, 434, 476, 492, 496, 504, 527, 558, 574, 612, 651, 656, 697, 714, 738, 744, 816, 861, 868, 952, 984, 1008, 1054, 1071, 1116, 1148, 1224, 1271, 1302, 1394, 1428, 1476, 1488, 1581, 1722, 1736, 1904, 1953, 1968, 2091, 2108, 2142, 2232, 2296, 2448, 2542, 2583, 2604, 2788, 2856, 2952, 3162, 3444, 3472, 3689, 3813, 3906, 4182, 4216, 4284, 4464, 4592, 4743, 4879, 5084, 5166, 5208, 5576, 5712, 5904, 6273, 6324, 6888, 7378, 7626, 7812, 8364, 8432, 8568, 8897, 9486, 9758, 10168, 10332, 10416, 11067, 11152, 11439, 12546, 12648, 13776, 14637, 14756, 15252, 15624, 16728, 17136, 17794, 18972, 19516, 20336, 20664, 21607, 22134, 22878, 25092, 25296, 26691, 29274, 29512, 30504, 31248, 33201, 33456, 35588, 37944, 39032, 41328, 43214, 43911, 44268, 45756, 50184, 53382, 58548, 59024, 61008, 64821, 66402, 71176, 75888, 78064, 80073, 86428, 87822, 88536, 91512, 100368, 106764, 117096, 129642, 132804, 142352, 151249, 160146, 172856, 175644, 177072, 183024, 194463, 213528, 234192, 259284, 265608, 302498, 320292, 345712, 351288, 388926, 427056, 453747, 518568, 531216, 604996, 640584, 702576, 777852, 907494, 1037136, 1209992, 1281168, 1361241, 1555704, 1814988, 2419984, 2722482, 3111408, 3629976, 5444964, 7259952, 10889928, 21779856]

約数ペア:

[(1, 21779856), (2, 10889928), (3, 7259952), (4, 5444964), (6, 3629976), (7, 3111408), (8, 2722482), (9, 2419984), (12, 1814988), (14, 1555704), (16, 1361241), (17, 1281168), (18, 1209992), (21, 1037136), (24, 907494), (28, 777852), (31, 702576), (34, 640584), (36, 604996), (41, 531216), (42, 518568), (48, 453747), (51, 427056), (56, 388926), (62, 351288), (63, 345712), (68, 320292), (72, 302498), (82, 265608), (84, 259284), (93, 234192), (102, 213528), (112, 194463), (119, 183024), (123, 177072), (124, 175644), (126, 172856), (136, 160146), (144, 151249), (153, 142352), (164, 132804), (168, 129642), (186, 117096), (204, 106764), (217, 100368), (238, 91512), (246, 88536), (248, 87822), (252, 86428), (272, 80073), (279, 78064), (287, 75888), (306, 71176), (328, 66402), (336, 64821), (357, 61008), (369, 59024), (372, 58548), (408, 53382), (434, 50184), (476, 45756), (492, 44268), (496, 43911), (504, 43214), (527, 41328), (558, 39032), (574, 37944), (612, 35588), (651, 33456), (656, 33201), (697, 31248), (714, 30504), (738, 29512), (744, 29274), (816, 26691), (861, 25296), (868, 25092), (952, 22878), (984, 22134), (1008, 21607), (1054, 20664), (1071, 20336), (1116, 19516), (1148, 18972), (1224, 17794), (1271, 17136), (1302, 16728), (1394, 15624), (1428, 15252), (1476, 14756), (1488, 14637), (1581, 13776), (1722, 12648), (1736, 12546), (1904, 11439), (1953, 11152), (1968, 11067), (2091, 10416), (2108, 10332), (2142, 10168), (2232, 9758), (2296, 9486), (2448, 8897), (2542, 8568), (2583, 8432), (2604, 8364), (2788, 7812), (2856, 7626), (2952, 7378), (3162, 6888), (3444, 6324), (3472, 6273), (3689, 5904), (3813, 5712), (3906, 5576), (4182, 5208), (4216, 5166), (4284, 5084), (4464, 4879), (4592, 4743)]