21650160

素因数分解:

$2^4\times 3^1\times 5^1\times 7^3\times {\mathrm{263}}^1$

素因数の和:300

約数の個数: 160

約数和(自身を含む): 78566400

約数和(自身を除く): 56916240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 168, 196, 210, 240, 245, 263, 280, 294, 336, 343, 392, 420, 490, 526, 560, 588, 686, 735, 784, 789, 840, 980, 1029, 1052, 1176, 1315, 1372, 1470, 1578, 1680, 1715, 1841, 1960, 2058, 2104, 2352, 2630, 2744, 2940, 3156, 3430, 3682, 3920, 3945, 4116, 4208, 5145, 5260, 5488, 5523, 5880, 6312, 6860, 7364, 7890, 8232, 9205, 10290, 10520, 11046, 11760, 12624, 12887, 13720, 14728, 15780, 16464, 18410, 20580, 21040, 22092, 25774, 27440, 27615, 29456, 31560, 36820, 38661, 41160, 44184, 51548, 55230, 63120, 64435, 73640, 77322, 82320, 88368, 90209, 103096, 110460, 128870, 147280, 154644, 180418, 193305, 206192, 220920, 257740, 270627, 309288, 360836, 386610, 441840, 451045, 515480, 541254, 618576, 721672, 773220, 902090, 1030960, 1082508, 1353135, 1443344, 1546440, 1804180, 2165016, 2706270, 3092880, 3608360, 4330032, 5412540, 7216720, 10825080, 21650160]

約数ペア:

[(1, 21650160), (2, 10825080), (3, 7216720), (4, 5412540), (5, 4330032), (6, 3608360), (7, 3092880), (8, 2706270), (10, 2165016), (12, 1804180), (14, 1546440), (15, 1443344), (16, 1353135), (20, 1082508), (21, 1030960), (24, 902090), (28, 773220), (30, 721672), (35, 618576), (40, 541254), (42, 515480), (48, 451045), (49, 441840), (56, 386610), (60, 360836), (70, 309288), (80, 270627), (84, 257740), (98, 220920), (105, 206192), (112, 193305), (120, 180418), (140, 154644), (147, 147280), (168, 128870), (196, 110460), (210, 103096), (240, 90209), (245, 88368), (263, 82320), (280, 77322), (294, 73640), (336, 64435), (343, 63120), (392, 55230), (420, 51548), (490, 44184), (526, 41160), (560, 38661), (588, 36820), (686, 31560), (735, 29456), (784, 27615), (789, 27440), (840, 25774), (980, 22092), (1029, 21040), (1052, 20580), (1176, 18410), (1315, 16464), (1372, 15780), (1470, 14728), (1578, 13720), (1680, 12887), (1715, 12624), (1841, 11760), (1960, 11046), (2058, 10520), (2104, 10290), (2352, 9205), (2630, 8232), (2744, 7890), (2940, 7364), (3156, 6860), (3430, 6312), (3682, 5880), (3920, 5523), (3945, 5488), (4116, 5260), (4208, 5145)]