21190176

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{457}}^1$

素因数の和:503

約数の個数: 144

約数和(自身を含む): 72019584

約数和(自身を除く): 50829408

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 23, 24, 28, 32, 36, 42, 46, 48, 56, 63, 69, 72, 84, 92, 96, 112, 126, 138, 144, 161, 168, 184, 207, 224, 252, 276, 288, 322, 336, 368, 414, 457, 483, 504, 552, 644, 672, 736, 828, 914, 966, 1008, 1104, 1288, 1371, 1449, 1656, 1828, 1932, 2016, 2208, 2576, 2742, 2898, 3199, 3312, 3656, 3864, 4113, 5152, 5484, 5796, 6398, 6624, 7312, 7728, 8226, 9597, 10511, 10968, 11592, 12796, 14624, 15456, 16452, 19194, 21022, 21936, 23184, 25592, 28791, 31533, 32904, 38388, 42044, 43872, 46368, 51184, 57582, 63066, 65808, 73577, 76776, 84088, 94599, 102368, 115164, 126132, 131616, 147154, 153552, 168176, 189198, 220731, 230328, 252264, 294308, 307104, 336352, 378396, 441462, 460656, 504528, 588616, 662193, 756792, 882924, 921312, 1009056, 1177232, 1324386, 1513584, 1765848, 2354464, 2648772, 3027168, 3531696, 5297544, 7063392, 10595088, 21190176]

約数ペア:

[(1, 21190176), (2, 10595088), (3, 7063392), (4, 5297544), (6, 3531696), (7, 3027168), (8, 2648772), (9, 2354464), (12, 1765848), (14, 1513584), (16, 1324386), (18, 1177232), (21, 1009056), (23, 921312), (24, 882924), (28, 756792), (32, 662193), (36, 588616), (42, 504528), (46, 460656), (48, 441462), (56, 378396), (63, 336352), (69, 307104), (72, 294308), (84, 252264), (92, 230328), (96, 220731), (112, 189198), (126, 168176), (138, 153552), (144, 147154), (161, 131616), (168, 126132), (184, 115164), (207, 102368), (224, 94599), (252, 84088), (276, 76776), (288, 73577), (322, 65808), (336, 63066), (368, 57582), (414, 51184), (457, 46368), (483, 43872), (504, 42044), (552, 38388), (644, 32904), (672, 31533), (736, 28791), (828, 25592), (914, 23184), (966, 21936), (1008, 21022), (1104, 19194), (1288, 16452), (1371, 15456), (1449, 14624), (1656, 12796), (1828, 11592), (1932, 10968), (2016, 10511), (2208, 9597), (2576, 8226), (2742, 7728), (2898, 7312), (3199, 6624), (3312, 6398), (3656, 5796), (3864, 5484), (4113, 5152)]