21206052

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:182

約数の個数: 144

約数和(自身を含む): 66626560

約数和(自身を除く): 45420508

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 36, 38, 42, 43, 57, 63, 76, 84, 86, 103, 114, 126, 129, 133, 171, 172, 206, 228, 252, 258, 266, 301, 309, 342, 387, 399, 412, 516, 532, 602, 618, 684, 721, 774, 798, 817, 903, 927, 1197, 1204, 1236, 1442, 1548, 1596, 1634, 1806, 1854, 1957, 2163, 2394, 2451, 2709, 2884, 3268, 3612, 3708, 3914, 4326, 4429, 4788, 4902, 5418, 5719, 5871, 6489, 7353, 7828, 8652, 8858, 9804, 10836, 11438, 11742, 12978, 13287, 13699, 14706, 17157, 17613, 17716, 22876, 23484, 25956, 26574, 27398, 29412, 31003, 34314, 35226, 39861, 41097, 51471, 53148, 54796, 62006, 68628, 70452, 79722, 82194, 84151, 93009, 102942, 123291, 124012, 159444, 164388, 168302, 186018, 205884, 246582, 252453, 279027, 336604, 372036, 493164, 504906, 558054, 589057, 757359, 1009812, 1116108, 1178114, 1514718, 1767171, 2356228, 3029436, 3534342, 5301513, 7068684, 10603026, 21206052]

約数ペア:

[(1, 21206052), (2, 10603026), (3, 7068684), (4, 5301513), (6, 3534342), (7, 3029436), (9, 2356228), (12, 1767171), (14, 1514718), (18, 1178114), (19, 1116108), (21, 1009812), (28, 757359), (36, 589057), (38, 558054), (42, 504906), (43, 493164), (57, 372036), (63, 336604), (76, 279027), (84, 252453), (86, 246582), (103, 205884), (114, 186018), (126, 168302), (129, 164388), (133, 159444), (171, 124012), (172, 123291), (206, 102942), (228, 93009), (252, 84151), (258, 82194), (266, 79722), (301, 70452), (309, 68628), (342, 62006), (387, 54796), (399, 53148), (412, 51471), (516, 41097), (532, 39861), (602, 35226), (618, 34314), (684, 31003), (721, 29412), (774, 27398), (798, 26574), (817, 25956), (903, 23484), (927, 22876), (1197, 17716), (1204, 17613), (1236, 17157), (1442, 14706), (1548, 13699), (1596, 13287), (1634, 12978), (1806, 11742), (1854, 11438), (1957, 10836), (2163, 9804), (2394, 8858), (2451, 8652), (2709, 7828), (2884, 7353), (3268, 6489), (3612, 5871), (3708, 5719), (3914, 5418), (4326, 4902), (4429, 4788)]