21686112

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{347}}^1$

素因数の和:401

約数の個数: 144

約数和(自身を含む): 72963072

約数和(自身を除く): 51276960

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 31, 32, 36, 42, 48, 56, 62, 63, 72, 84, 93, 96, 112, 124, 126, 144, 168, 186, 217, 224, 248, 252, 279, 288, 336, 347, 372, 434, 496, 504, 558, 651, 672, 694, 744, 868, 992, 1008, 1041, 1116, 1302, 1388, 1488, 1736, 1953, 2016, 2082, 2232, 2429, 2604, 2776, 2976, 3123, 3472, 3906, 4164, 4464, 4858, 5208, 5552, 6246, 6944, 7287, 7812, 8328, 8928, 9716, 10416, 10757, 11104, 12492, 14574, 15624, 16656, 19432, 20832, 21514, 21861, 24984, 29148, 31248, 32271, 33312, 38864, 43028, 43722, 49968, 58296, 62496, 64542, 75299, 77728, 86056, 87444, 96813, 99936, 116592, 129084, 150598, 172112, 174888, 193626, 225897, 233184, 258168, 301196, 344224, 349776, 387252, 451794, 516336, 602392, 677691, 699552, 774504, 903588, 1032672, 1204784, 1355382, 1549008, 1807176, 2409568, 2710764, 3098016, 3614352, 5421528, 7228704, 10843056, 21686112]

約数ペア:

[(1, 21686112), (2, 10843056), (3, 7228704), (4, 5421528), (6, 3614352), (7, 3098016), (8, 2710764), (9, 2409568), (12, 1807176), (14, 1549008), (16, 1355382), (18, 1204784), (21, 1032672), (24, 903588), (28, 774504), (31, 699552), (32, 677691), (36, 602392), (42, 516336), (48, 451794), (56, 387252), (62, 349776), (63, 344224), (72, 301196), (84, 258168), (93, 233184), (96, 225897), (112, 193626), (124, 174888), (126, 172112), (144, 150598), (168, 129084), (186, 116592), (217, 99936), (224, 96813), (248, 87444), (252, 86056), (279, 77728), (288, 75299), (336, 64542), (347, 62496), (372, 58296), (434, 49968), (496, 43722), (504, 43028), (558, 38864), (651, 33312), (672, 32271), (694, 31248), (744, 29148), (868, 24984), (992, 21861), (1008, 21514), (1041, 20832), (1116, 19432), (1302, 16656), (1388, 15624), (1488, 14574), (1736, 12492), (1953, 11104), (2016, 10757), (2082, 10416), (2232, 9716), (2429, 8928), (2604, 8328), (2776, 7812), (2976, 7287), (3123, 6944), (3472, 6246), (3906, 5552), (4164, 5208), (4464, 4858)]