21739872

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1$

素因数の和:221

約数の個数: 192

約数和(自身を含む): 75769344

約数和(自身を除く): 54029472

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 17, 21, 22, 24, 28, 32, 33, 34, 42, 44, 48, 51, 56, 66, 68, 77, 84, 88, 96, 102, 112, 119, 132, 136, 154, 168, 173, 176, 187, 204, 224, 231, 238, 264, 272, 308, 336, 346, 352, 357, 374, 408, 462, 476, 519, 528, 544, 561, 616, 672, 692, 714, 748, 816, 924, 952, 1038, 1056, 1122, 1211, 1232, 1309, 1384, 1428, 1496, 1632, 1848, 1903, 1904, 2076, 2244, 2422, 2464, 2618, 2768, 2856, 2941, 2992, 3633, 3696, 3806, 3808, 3927, 4152, 4488, 4844, 5236, 5536, 5709, 5712, 5882, 5984, 7266, 7392, 7612, 7854, 8304, 8823, 8976, 9688, 10472, 11418, 11424, 11764, 13321, 14532, 15224, 15708, 16608, 17646, 17952, 19376, 20587, 20944, 22836, 23528, 26642, 29064, 30448, 31416, 32351, 35292, 38752, 39963, 41174, 41888, 45672, 47056, 53284, 58128, 60896, 61761, 62832, 64702, 70584, 79926, 82348, 91344, 94112, 97053, 106568, 116256, 123522, 125664, 129404, 141168, 159852, 164696, 182688, 194106, 213136, 226457, 247044, 258808, 282336, 319704, 329392, 388212, 426272, 452914, 494088, 517616, 639408, 658784, 679371, 776424, 905828, 988176, 1035232, 1278816, 1358742, 1552848, 1811656, 1976352, 2717484, 3105696, 3623312, 5434968, 7246624, 10869936, 21739872]

約数ペア:

[(1, 21739872), (2, 10869936), (3, 7246624), (4, 5434968), (6, 3623312), (7, 3105696), (8, 2717484), (11, 1976352), (12, 1811656), (14, 1552848), (16, 1358742), (17, 1278816), (21, 1035232), (22, 988176), (24, 905828), (28, 776424), (32, 679371), (33, 658784), (34, 639408), (42, 517616), (44, 494088), (48, 452914), (51, 426272), (56, 388212), (66, 329392), (68, 319704), (77, 282336), (84, 258808), (88, 247044), (96, 226457), (102, 213136), (112, 194106), (119, 182688), (132, 164696), (136, 159852), (154, 141168), (168, 129404), (173, 125664), (176, 123522), (187, 116256), (204, 106568), (224, 97053), (231, 94112), (238, 91344), (264, 82348), (272, 79926), (308, 70584), (336, 64702), (346, 62832), (352, 61761), (357, 60896), (374, 58128), (408, 53284), (462, 47056), (476, 45672), (519, 41888), (528, 41174), (544, 39963), (561, 38752), (616, 35292), (672, 32351), (692, 31416), (714, 30448), (748, 29064), (816, 26642), (924, 23528), (952, 22836), (1038, 20944), (1056, 20587), (1122, 19376), (1211, 17952), (1232, 17646), (1309, 16608), (1384, 15708), (1428, 15224), (1496, 14532), (1632, 13321), (1848, 11764), (1903, 11424), (1904, 11418), (2076, 10472), (2244, 9688), (2422, 8976), (2464, 8823), (2618, 8304), (2768, 7854), (2856, 7612), (2941, 7392), (2992, 7266), (3633, 5984), (3696, 5882), (3806, 5712), (3808, 5709), (3927, 5536), (4152, 5236), (4488, 4844)]