21551376

素因数分解:

$2^4\times 3^1\times 7^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1$

素因数の和:67

約数の個数: 200

約数和(自身を含む): 75021984

約数和(自身を除く): 53470608

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 17, 21, 22, 24, 28, 33, 34, 42, 44, 48, 49, 51, 56, 66, 68, 77, 84, 88, 98, 102, 112, 119, 132, 136, 147, 154, 168, 176, 187, 196, 204, 231, 238, 264, 272, 294, 308, 336, 343, 357, 374, 392, 408, 462, 476, 528, 539, 561, 588, 616, 686, 714, 748, 784, 816, 833, 924, 952, 1029, 1078, 1122, 1176, 1232, 1309, 1372, 1428, 1496, 1617, 1666, 1848, 1904, 2058, 2156, 2244, 2352, 2401, 2499, 2618, 2744, 2856, 2992, 3234, 3332, 3696, 3773, 3927, 4116, 4312, 4488, 4802, 4998, 5236, 5488, 5712, 5831, 6468, 6664, 7203, 7546, 7854, 8232, 8624, 8976, 9163, 9604, 9996, 10472, 11319, 11662, 12936, 13328, 14406, 15092, 15708, 16464, 17493, 18326, 19208, 19992, 20944, 22638, 23324, 25872, 26411, 27489, 28812, 30184, 31416, 34986, 36652, 38416, 39984, 40817, 45276, 46648, 52822, 54978, 57624, 60368, 62832, 64141, 69972, 73304, 79233, 81634, 90552, 93296, 105644, 109956, 115248, 122451, 128282, 139944, 146608, 158466, 163268, 181104, 192423, 211288, 219912, 244902, 256564, 279888, 316932, 326536, 384846, 422576, 439824, 448987, 489804, 513128, 633864, 653072, 769692, 897974, 979608, 1026256, 1267728, 1346961, 1539384, 1795948, 1959216, 2693922, 3078768, 3591896, 5387844, 7183792, 10775688, 21551376]

約数ペア:

[(1, 21551376), (2, 10775688), (3, 7183792), (4, 5387844), (6, 3591896), (7, 3078768), (8, 2693922), (11, 1959216), (12, 1795948), (14, 1539384), (16, 1346961), (17, 1267728), (21, 1026256), (22, 979608), (24, 897974), (28, 769692), (33, 653072), (34, 633864), (42, 513128), (44, 489804), (48, 448987), (49, 439824), (51, 422576), (56, 384846), (66, 326536), (68, 316932), (77, 279888), (84, 256564), (88, 244902), (98, 219912), (102, 211288), (112, 192423), (119, 181104), (132, 163268), (136, 158466), (147, 146608), (154, 139944), (168, 128282), (176, 122451), (187, 115248), (196, 109956), (204, 105644), (231, 93296), (238, 90552), (264, 81634), (272, 79233), (294, 73304), (308, 69972), (336, 64141), (343, 62832), (357, 60368), (374, 57624), (392, 54978), (408, 52822), (462, 46648), (476, 45276), (528, 40817), (539, 39984), (561, 38416), (588, 36652), (616, 34986), (686, 31416), (714, 30184), (748, 28812), (784, 27489), (816, 26411), (833, 25872), (924, 23324), (952, 22638), (1029, 20944), (1078, 19992), (1122, 19208), (1176, 18326), (1232, 17493), (1309, 16464), (1372, 15708), (1428, 15092), (1496, 14406), (1617, 13328), (1666, 12936), (1848, 11662), (1904, 11319), (2058, 10472), (2156, 9996), (2244, 9604), (2352, 9163), (2401, 8976), (2499, 8624), (2618, 8232), (2744, 7854), (2856, 7546), (2992, 7203), (3234, 6664), (3332, 6468), (3696, 5831), (3773, 5712), (3927, 5488), (4116, 5236), (4312, 4998), (4488, 4802)]