21684268928

素因数分解:

$2^7\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{661}}^1$

素因数の和:789

約数の個数: 256

約数和(自身を含む): 54451353600

約数和(自身を除く): 32767084672

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 41, 47, 56, 64, 76, 82, 94, 112, 128, 133, 152, 164, 188, 224, 266, 287, 304, 328, 329, 376, 448, 532, 574, 608, 656, 658, 661, 752, 779, 893, 896, 1064, 1148, 1216, 1312, 1316, 1322, 1504, 1558, 1786, 1927, 2128, 2296, 2432, 2624, 2632, 2644, 3008, 3116, 3572, 3854, 4256, 4592, 4627, 5248, 5264, 5288, 5453, 6016, 6232, 6251, 7144, 7708, 8512, 9184, 9254, 10528, 10576, 10906, 12464, 12502, 12559, 13489, 14288, 15416, 17024, 18368, 18508, 21056, 21152, 21812, 24928, 25004, 25118, 26978, 27101, 28576, 30832, 31067, 36613, 36736, 37016, 42112, 42304, 43624, 49856, 50008, 50236, 53956, 54202, 57152, 61664, 62134, 73226, 74032, 84608, 87248, 87913, 99712, 100016, 100472, 107912, 108404, 114304, 123328, 124268, 146452, 148064, 174496, 175826, 189707, 200032, 200944, 215824, 216808, 217469, 246656, 248536, 256291, 292904, 296128, 348992, 351652, 379414, 400064, 401888, 431648, 433616, 434938, 497072, 512582, 514919, 585808, 590273, 592256, 697984, 703304, 758828, 800128, 803776, 863296, 867232, 869876, 994144, 1025164, 1029838, 1171616, 1180546, 1273747, 1406608, 1517656, 1607552, 1726592, 1734464, 1739752, 1988288, 2050328, 2059676, 2343232, 2361092, 2547494, 2813216, 3035312, 3468928, 3479504, 3604433, 3976576, 4100656, 4119352, 4131911, 4686464, 4722184, 5094988, 5626432, 6070624, 6959008, 7208866, 8201312, 8238704, 8263822, 8916229, 9444368, 10189976, 11252864, 12141248, 13918016, 14417732, 16402624, 16477408, 16527644, 17832458, 18888736, 20379952, 24201193, 24282496, 27836032, 28835464, 32805248, 32954816, 33055288, 35664916, 37777472, 40759904, 48402386, 57670928, 65909632, 66110576, 71329832, 75554944, 81519808, 96804772, 115341856, 132221152, 142659664, 163039616, 169408351, 193609544, 230683712, 264442304, 285319328, 338816702, 387219088, 461367424, 528884608, 570638656, 677633404, 774438176, 1141277312, 1355266808, 1548876352, 2710533616, 3097752704, 5421067232, 10842134464, 21684268928]

約数ペア:

[(1, 21684268928), (2, 10842134464), (4, 5421067232), (7, 3097752704), (8, 2710533616), (14, 1548876352), (16, 1355266808), (19, 1141277312), (28, 774438176), (32, 677633404), (38, 570638656), (41, 528884608), (47, 461367424), (56, 387219088), (64, 338816702), (76, 285319328), (82, 264442304), (94, 230683712), (112, 193609544), (128, 169408351), (133, 163039616), (152, 142659664), (164, 132221152), (188, 115341856), (224, 96804772), (266, 81519808), (287, 75554944), (304, 71329832), (328, 66110576), (329, 65909632), (376, 57670928), (448, 48402386), (532, 40759904), (574, 37777472), (608, 35664916), (656, 33055288), (658, 32954816), (661, 32805248), (752, 28835464), (779, 27836032), (893, 24282496), (896, 24201193), (1064, 20379952), (1148, 18888736), (1216, 17832458), (1312, 16527644), (1316, 16477408), (1322, 16402624), (1504, 14417732), (1558, 13918016), (1786, 12141248), (1927, 11252864), (2128, 10189976), (2296, 9444368), (2432, 8916229), (2624, 8263822), (2632, 8238704), (2644, 8201312), (3008, 7208866), (3116, 6959008), (3572, 6070624), (3854, 5626432), (4256, 5094988), (4592, 4722184), (4627, 4686464), (5248, 4131911), (5264, 4119352), (5288, 4100656), (5453, 3976576), (6016, 3604433), (6232, 3479504), (6251, 3468928), (7144, 3035312), (7708, 2813216), (8512, 2547494), (9184, 2361092), (9254, 2343232), (10528, 2059676), (10576, 2050328), (10906, 1988288), (12464, 1739752), (12502, 1734464), (12559, 1726592), (13489, 1607552), (14288, 1517656), (15416, 1406608), (17024, 1273747), (18368, 1180546), (18508, 1171616), (21056, 1029838), (21152, 1025164), (21812, 994144), (24928, 869876), (25004, 867232), (25118, 863296), (26978, 803776), (27101, 800128), (28576, 758828), (30832, 703304), (31067, 697984), (36613, 592256), (36736, 590273), (37016, 585808), (42112, 514919), (42304, 512582), (43624, 497072), (49856, 434938), (50008, 433616), (50236, 431648), (53956, 401888), (54202, 400064), (57152, 379414), (61664, 351652), (62134, 348992), (73226, 296128), (74032, 292904), (84608, 256291), (87248, 248536), (87913, 246656), (99712, 217469), (100016, 216808), (100472, 215824), (107912, 200944), (108404, 200032), (114304, 189707), (123328, 175826), (124268, 174496), (146452, 148064)]