21420471864

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{211}}^1\times {\mathrm{547}}^1$

素因数の和:834

約数の個数: 256

約数和(自身を含む): 63571507200

約数和(自身を除く): 42151035336

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 19, 22, 24, 33, 37, 38, 44, 57, 66, 74, 76, 88, 111, 114, 132, 148, 152, 209, 211, 222, 228, 264, 296, 407, 418, 422, 444, 456, 547, 627, 633, 703, 814, 836, 844, 888, 1094, 1221, 1254, 1266, 1406, 1628, 1641, 1672, 1688, 2109, 2188, 2321, 2442, 2508, 2532, 2812, 3256, 3282, 4009, 4218, 4376, 4642, 4884, 5016, 5064, 5624, 6017, 6564, 6963, 7733, 7807, 8018, 8436, 9284, 9768, 10393, 12027, 12034, 13128, 13926, 15466, 15614, 16036, 16872, 18051, 18568, 20239, 20786, 23199, 23421, 24054, 24068, 27852, 30932, 31179, 31228, 32072, 36102, 40478, 41572, 44099, 46398, 46842, 48108, 48136, 55704, 60717, 61864, 62358, 62456, 72204, 80956, 83144, 85877, 88198, 92796, 93684, 96216, 114323, 115417, 121434, 124716, 132297, 144408, 148333, 161912, 171754, 176396, 185592, 187368, 222629, 228646, 230834, 242868, 249432, 257631, 264594, 296666, 342969, 343508, 346251, 352792, 384541, 444999, 445258, 457292, 461668, 485736, 515262, 529188, 593332, 667887, 685938, 687016, 692502, 769082, 889998, 890516, 914584, 923336, 1030524, 1058376, 1153623, 1186664, 1269587, 1335774, 1371876, 1385004, 1538164, 1631663, 1779996, 1781032, 2061048, 2192923, 2307246, 2539174, 2671548, 2743752, 2770008, 3076328, 3263326, 3559992, 3808761, 4229951, 4270429, 4385846, 4614492, 4894989, 5078348, 5343096, 6526652, 6578769, 7617522, 8459902, 8540858, 8771692, 9228984, 9789978, 10156696, 12689853, 12811287, 13053304, 13157538, 15235044, 16919804, 17081716, 17543384, 19579956, 24122153, 25379706, 25622574, 26315076, 30470088, 33839608, 34163432, 39159912, 46974719, 48244306, 50759412, 51245148, 52630152, 72366459, 81138151, 93949438, 96488612, 101518824, 102490296, 140924157, 144732918, 162276302, 187898876, 192977224, 243414453, 281848314, 289465836, 324552604, 375797752, 486828906, 563696628, 578931672, 649105208, 892519661, 973657812, 1127393256, 1785039322, 1947315624, 2677558983, 3570078644, 5355117966, 7140157288, 10710235932, 21420471864]

約数ペア:

[(1, 21420471864), (2, 10710235932), (3, 7140157288), (4, 5355117966), (6, 3570078644), (8, 2677558983), (11, 1947315624), (12, 1785039322), (19, 1127393256), (22, 973657812), (24, 892519661), (33, 649105208), (37, 578931672), (38, 563696628), (44, 486828906), (57, 375797752), (66, 324552604), (74, 289465836), (76, 281848314), (88, 243414453), (111, 192977224), (114, 187898876), (132, 162276302), (148, 144732918), (152, 140924157), (209, 102490296), (211, 101518824), (222, 96488612), (228, 93949438), (264, 81138151), (296, 72366459), (407, 52630152), (418, 51245148), (422, 50759412), (444, 48244306), (456, 46974719), (547, 39159912), (627, 34163432), (633, 33839608), (703, 30470088), (814, 26315076), (836, 25622574), (844, 25379706), (888, 24122153), (1094, 19579956), (1221, 17543384), (1254, 17081716), (1266, 16919804), (1406, 15235044), (1628, 13157538), (1641, 13053304), (1672, 12811287), (1688, 12689853), (2109, 10156696), (2188, 9789978), (2321, 9228984), (2442, 8771692), (2508, 8540858), (2532, 8459902), (2812, 7617522), (3256, 6578769), (3282, 6526652), (4009, 5343096), (4218, 5078348), (4376, 4894989), (4642, 4614492), (4884, 4385846), (5016, 4270429), (5064, 4229951), (5624, 3808761), (6017, 3559992), (6564, 3263326), (6963, 3076328), (7733, 2770008), (7807, 2743752), (8018, 2671548), (8436, 2539174), (9284, 2307246), (9768, 2192923), (10393, 2061048), (12027, 1781032), (12034, 1779996), (13128, 1631663), (13926, 1538164), (15466, 1385004), (15614, 1371876), (16036, 1335774), (16872, 1269587), (18051, 1186664), (18568, 1153623), (20239, 1058376), (20786, 1030524), (23199, 923336), (23421, 914584), (24054, 890516), (24068, 889998), (27852, 769082), (30932, 692502), (31179, 687016), (31228, 685938), (32072, 667887), (36102, 593332), (40478, 529188), (41572, 515262), (44099, 485736), (46398, 461668), (46842, 457292), (48108, 445258), (48136, 444999), (55704, 384541), (60717, 352792), (61864, 346251), (62358, 343508), (62456, 342969), (72204, 296666), (80956, 264594), (83144, 257631), (85877, 249432), (88198, 242868), (92796, 230834), (93684, 228646), (96216, 222629), (114323, 187368), (115417, 185592), (121434, 176396), (124716, 171754), (132297, 161912), (144408, 148333)]