21302784

素因数分解:

$2^9\times 3^3\times {\mathrm{23}}^1\times {\mathrm{67}}^1$

素因数の和:117

約数の個数: 160

約数和(自身を含む): 66781440

約数和(自身を除く): 45478656

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 27, 32, 36, 46, 48, 54, 64, 67, 69, 72, 92, 96, 108, 128, 134, 138, 144, 184, 192, 201, 207, 216, 256, 268, 276, 288, 368, 384, 402, 414, 432, 512, 536, 552, 576, 603, 621, 736, 768, 804, 828, 864, 1072, 1104, 1152, 1206, 1242, 1472, 1536, 1541, 1608, 1656, 1728, 1809, 2144, 2208, 2304, 2412, 2484, 2944, 3082, 3216, 3312, 3456, 3618, 4288, 4416, 4608, 4623, 4824, 4968, 5888, 6164, 6432, 6624, 6912, 7236, 8576, 8832, 9246, 9648, 9936, 11776, 12328, 12864, 13248, 13824, 13869, 14472, 17152, 17664, 18492, 19296, 19872, 24656, 25728, 26496, 27738, 28944, 34304, 35328, 36984, 38592, 39744, 41607, 49312, 51456, 52992, 55476, 57888, 73968, 77184, 79488, 83214, 98624, 102912, 105984, 110952, 115776, 147936, 154368, 158976, 166428, 197248, 221904, 231552, 295872, 308736, 317952, 332856, 394496, 443808, 463104, 591744, 665712, 788992, 887616, 926208, 1183488, 1331424, 1775232, 2366976, 2662848, 3550464, 5325696, 7100928, 10651392, 21302784]

約数ペア:

[(1, 21302784), (2, 10651392), (3, 7100928), (4, 5325696), (6, 3550464), (8, 2662848), (9, 2366976), (12, 1775232), (16, 1331424), (18, 1183488), (23, 926208), (24, 887616), (27, 788992), (32, 665712), (36, 591744), (46, 463104), (48, 443808), (54, 394496), (64, 332856), (67, 317952), (69, 308736), (72, 295872), (92, 231552), (96, 221904), (108, 197248), (128, 166428), (134, 158976), (138, 154368), (144, 147936), (184, 115776), (192, 110952), (201, 105984), (207, 102912), (216, 98624), (256, 83214), (268, 79488), (276, 77184), (288, 73968), (368, 57888), (384, 55476), (402, 52992), (414, 51456), (432, 49312), (512, 41607), (536, 39744), (552, 38592), (576, 36984), (603, 35328), (621, 34304), (736, 28944), (768, 27738), (804, 26496), (828, 25728), (864, 24656), (1072, 19872), (1104, 19296), (1152, 18492), (1206, 17664), (1242, 17152), (1472, 14472), (1536, 13869), (1541, 13824), (1608, 13248), (1656, 12864), (1728, 12328), (1809, 11776), (2144, 9936), (2208, 9648), (2304, 9246), (2412, 8832), (2484, 8576), (2944, 7236), (3082, 6912), (3216, 6624), (3312, 6432), (3456, 6164), (3618, 5888), (4288, 4968), (4416, 4824), (4608, 4623)]