21194784

素因数分解:

$2^5\times 3^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1$

素因数の和:89

約数の個数: 240

約数和(自身を含む): 72997848

約数和(自身を除く): 51803064

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 17, 18, 24, 26, 27, 32, 34, 36, 37, 39, 48, 51, 52, 54, 68, 72, 74, 78, 81, 96, 102, 104, 108, 111, 117, 136, 144, 148, 153, 156, 162, 204, 208, 216, 221, 222, 234, 272, 288, 296, 306, 312, 324, 333, 351, 408, 416, 432, 442, 444, 459, 468, 481, 544, 592, 612, 624, 629, 648, 663, 666, 702, 816, 864, 884, 888, 918, 936, 962, 999, 1053, 1184, 1224, 1248, 1258, 1296, 1326, 1332, 1377, 1404, 1443, 1632, 1768, 1776, 1836, 1872, 1887, 1924, 1989, 1998, 2106, 2448, 2516, 2592, 2652, 2664, 2754, 2808, 2886, 2997, 3536, 3552, 3672, 3744, 3774, 3848, 3978, 3996, 4212, 4329, 4896, 5032, 5304, 5328, 5508, 5616, 5661, 5772, 5967, 5994, 7072, 7344, 7548, 7696, 7956, 7992, 8177, 8424, 8658, 10064, 10608, 10656, 11016, 11232, 11322, 11544, 11934, 11988, 12987, 14688, 15096, 15392, 15912, 15984, 16354, 16848, 16983, 17316, 17901, 20128, 21216, 22032, 22644, 23088, 23868, 23976, 24531, 25974, 30192, 31824, 31968, 32708, 33696, 33966, 34632, 35802, 38961, 44064, 45288, 46176, 47736, 47952, 49062, 50949, 51948, 60384, 63648, 65416, 67932, 69264, 71604, 73593, 77922, 90576, 95472, 95904, 98124, 101898, 103896, 130832, 135864, 138528, 143208, 147186, 155844, 181152, 190944, 196248, 203796, 207792, 220779, 261664, 271728, 286416, 294372, 311688, 392496, 407592, 415584, 441558, 543456, 572832, 588744, 623376, 662337, 784992, 815184, 883116, 1177488, 1246752, 1324674, 1630368, 1766232, 2354976, 2649348, 3532464, 5298696, 7064928, 10597392, 21194784]

約数ペア:

[(1, 21194784), (2, 10597392), (3, 7064928), (4, 5298696), (6, 3532464), (8, 2649348), (9, 2354976), (12, 1766232), (13, 1630368), (16, 1324674), (17, 1246752), (18, 1177488), (24, 883116), (26, 815184), (27, 784992), (32, 662337), (34, 623376), (36, 588744), (37, 572832), (39, 543456), (48, 441558), (51, 415584), (52, 407592), (54, 392496), (68, 311688), (72, 294372), (74, 286416), (78, 271728), (81, 261664), (96, 220779), (102, 207792), (104, 203796), (108, 196248), (111, 190944), (117, 181152), (136, 155844), (144, 147186), (148, 143208), (153, 138528), (156, 135864), (162, 130832), (204, 103896), (208, 101898), (216, 98124), (221, 95904), (222, 95472), (234, 90576), (272, 77922), (288, 73593), (296, 71604), (306, 69264), (312, 67932), (324, 65416), (333, 63648), (351, 60384), (408, 51948), (416, 50949), (432, 49062), (442, 47952), (444, 47736), (459, 46176), (468, 45288), (481, 44064), (544, 38961), (592, 35802), (612, 34632), (624, 33966), (629, 33696), (648, 32708), (663, 31968), (666, 31824), (702, 30192), (816, 25974), (864, 24531), (884, 23976), (888, 23868), (918, 23088), (936, 22644), (962, 22032), (999, 21216), (1053, 20128), (1184, 17901), (1224, 17316), (1248, 16983), (1258, 16848), (1296, 16354), (1326, 15984), (1332, 15912), (1377, 15392), (1404, 15096), (1443, 14688), (1632, 12987), (1768, 11988), (1776, 11934), (1836, 11544), (1872, 11322), (1887, 11232), (1924, 11016), (1989, 10656), (1998, 10608), (2106, 10064), (2448, 8658), (2516, 8424), (2592, 8177), (2652, 7992), (2664, 7956), (2754, 7696), (2808, 7548), (2886, 7344), (2997, 7072), (3536, 5994), (3552, 5967), (3672, 5772), (3744, 5661), (3774, 5616), (3848, 5508), (3978, 5328), (3996, 5304), (4212, 5032), (4329, 4896)]