21394296

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1$

素因数の和:274

約数の個数: 192

約数和(自身を含む): 76826880

約数和(自身を除く): 55432584

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 17, 18, 21, 22, 24, 28, 33, 34, 36, 42, 44, 51, 56, 63, 66, 68, 72, 77, 84, 88, 99, 102, 119, 126, 132, 136, 153, 154, 168, 187, 198, 204, 227, 231, 238, 252, 264, 306, 308, 357, 374, 396, 408, 454, 462, 476, 504, 561, 612, 616, 681, 693, 714, 748, 792, 908, 924, 952, 1071, 1122, 1224, 1309, 1362, 1386, 1428, 1496, 1589, 1683, 1816, 1848, 2043, 2142, 2244, 2497, 2618, 2724, 2772, 2856, 3178, 3366, 3859, 3927, 4086, 4284, 4488, 4767, 4994, 5236, 5448, 5544, 6356, 6732, 7491, 7718, 7854, 8172, 8568, 9534, 9988, 10472, 11577, 11781, 12712, 13464, 14301, 14982, 15436, 15708, 16344, 17479, 19068, 19976, 22473, 23154, 23562, 27013, 28602, 29964, 30872, 31416, 34731, 34958, 38136, 42449, 44946, 46308, 47124, 52437, 54026, 57204, 59928, 69462, 69916, 81039, 84898, 89892, 92616, 94248, 104874, 108052, 114408, 127347, 138924, 139832, 157311, 162078, 169796, 179784, 209748, 216104, 243117, 254694, 277848, 297143, 314622, 324156, 339592, 382041, 419496, 486234, 509388, 594286, 629244, 648312, 764082, 891429, 972468, 1018776, 1188572, 1258488, 1528164, 1782858, 1944936, 2377144, 2674287, 3056328, 3565716, 5348574, 7131432, 10697148, 21394296]

約数ペア:

[(1, 21394296), (2, 10697148), (3, 7131432), (4, 5348574), (6, 3565716), (7, 3056328), (8, 2674287), (9, 2377144), (11, 1944936), (12, 1782858), (14, 1528164), (17, 1258488), (18, 1188572), (21, 1018776), (22, 972468), (24, 891429), (28, 764082), (33, 648312), (34, 629244), (36, 594286), (42, 509388), (44, 486234), (51, 419496), (56, 382041), (63, 339592), (66, 324156), (68, 314622), (72, 297143), (77, 277848), (84, 254694), (88, 243117), (99, 216104), (102, 209748), (119, 179784), (126, 169796), (132, 162078), (136, 157311), (153, 139832), (154, 138924), (168, 127347), (187, 114408), (198, 108052), (204, 104874), (227, 94248), (231, 92616), (238, 89892), (252, 84898), (264, 81039), (306, 69916), (308, 69462), (357, 59928), (374, 57204), (396, 54026), (408, 52437), (454, 47124), (462, 46308), (476, 44946), (504, 42449), (561, 38136), (612, 34958), (616, 34731), (681, 31416), (693, 30872), (714, 29964), (748, 28602), (792, 27013), (908, 23562), (924, 23154), (952, 22473), (1071, 19976), (1122, 19068), (1224, 17479), (1309, 16344), (1362, 15708), (1386, 15436), (1428, 14982), (1496, 14301), (1589, 13464), (1683, 12712), (1816, 11781), (1848, 11577), (2043, 10472), (2142, 9988), (2244, 9534), (2497, 8568), (2618, 8172), (2724, 7854), (2772, 7718), (2856, 7491), (3178, 6732), (3366, 6356), (3859, 5544), (3927, 5448), (4086, 5236), (4284, 4994), (4488, 4767)]