21406176792

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:165

約数の個数: 864

約数和(自身を含む): 82620195840

約数和(自身を除く): 61214019048

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 13, 14, 18, 21, 22, 24, 26, 28, 31, 33, 36, 39, 42, 44, 52, 56, 62, 63, 66, 67, 72, 77, 78, 84, 88, 91, 93, 99, 104, 117, 121, 124, 126, 132, 134, 143, 154, 156, 168, 169, 182, 186, 198, 201, 217, 231, 234, 242, 248, 252, 264, 268, 273, 279, 286, 308, 312, 338, 341, 363, 364, 372, 396, 402, 403, 429, 434, 462, 468, 469, 484, 504, 507, 536, 546, 558, 572, 603, 616, 651, 676, 682, 693, 726, 728, 737, 744, 792, 804, 806, 819, 847, 858, 868, 871, 924, 936, 938, 968, 1001, 1014, 1023, 1089, 1092, 1116, 1144, 1183, 1206, 1209, 1287, 1302, 1352, 1364, 1386, 1407, 1452, 1474, 1521, 1573, 1608, 1612, 1638, 1694, 1716, 1736, 1742, 1848, 1859, 1876, 1953, 2002, 2028, 2046, 2077, 2178, 2184, 2211, 2232, 2366, 2387, 2412, 2418, 2541, 2574, 2604, 2613, 2728, 2772, 2814, 2821, 2904, 2948, 3003, 3042, 3069, 3146, 3224, 3276, 3388, 3432, 3484, 3549, 3627, 3718, 3751, 3752, 3906, 4004, 4056, 4092, 4154, 4221, 4356, 4422, 4433, 4719, 4732, 4774, 4824, 4836, 5082, 5148, 5159, 5208, 5226, 5239, 5544, 5577, 5628, 5642, 5896, 6006, 6084, 6097, 6138, 6231, 6292, 6552, 6633, 6776, 6968, 7098, 7161, 7254, 7436, 7502, 7623, 7812, 7839, 8008, 8107, 8184, 8308, 8442, 8463, 8712, 8844, 8866, 9009, 9438, 9464, 9548, 9581, 9672, 10164, 10296, 10318, 10452, 10478, 10647, 11011, 11154, 11253, 11256, 11284, 11323, 12012, 12168, 12194, 12276, 12462, 12584, 13013, 13266, 13299, 14157, 14196, 14322, 14508, 14539, 14872, 15004, 15246, 15477, 15624, 15678, 15717, 16214, 16616, 16731, 16884, 16926, 17688, 17732, 18018, 18291, 18693, 18876, 19096, 19162, 20328, 20449, 20636, 20904, 20956, 21294, 21483, 22022, 22308, 22506, 22568, 22646, 22847, 24024, 24321, 24388, 24552, 24924, 25389, 26026, 26257, 26532, 26598, 27001, 28314, 28392, 28644, 28743, 29016, 29078, 30008, 30492, 30954, 31031, 31356, 31434, 32428, 33033, 33462, 33759, 33768, 33852, 33969, 35464, 36036, 36582, 36673, 37386, 37752, 38324, 39039, 39897, 40898, 41272, 41912, 42588, 42966, 43617, 44044, 44616, 45012, 45292, 45694, 46431, 47151, 48642, 48763, 48776, 49848, 50778, 52052, 52514, 53064, 53196, 54002, 54873, 56628, 56749, 57288, 57486, 57629, 58156, 60984, 61347, 61908, 62062, 62712, 62868, 64856, 66066, 66924, 67067, 67518, 67704, 67938, 68541, 72072, 72963, 73164, 73346, 74772, 76648, 78078, 78771, 79261, 79794, 81003, 81796, 85176, 85932, 86229, 87234, 88088, 90024, 90584, 91388, 92862, 93093, 94302, 97284, 97526, 99099, 101556, 101907, 104104, 105028, 105391, 106392, 108004, 109746, 110019, 113256, 113498, 114972, 115258, 116312, 117117, 122694, 123816, 124124, 124553, 125736, 130851, 132132, 133848, 134134, 135036, 135876, 137082, 143143, 145926, 146289, 146328, 146692, 149544, 156156, 157542, 158522, 159588, 159929, 162006, 163592, 170247, 171864, 172458, 172887, 174468, 182776, 184041, 185724, 186186, 188604, 189007, 194568, 195052, 198198, 201201, 203112, 203814, 205623, 210056, 210782, 216008, 219492, 220038, 226996, 229944, 230516, 234234, 236313, 237783, 243009, 245388, 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約数ペア:

[(1, 21406176792), (2, 10703088396), (3, 7135392264), (4, 5351544198), (6, 3567696132), (7, 3058025256), (8, 2675772099), (9, 2378464088), (11, 1946016072), (12, 1783848066), (13, 1646628984), (14, 1529012628), (18, 1189232044), (21, 1019341752), (22, 973008036), (24, 891924033), (26, 823314492), (28, 764506314), (31, 690521832), (33, 648672024), (36, 594616022), (39, 548876328), (42, 509670876), (44, 486504018), (52, 411657246), (56, 382253157), (62, 345260916), (63, 339780584), (66, 324336012), (67, 319495176), (72, 297308011), (77, 278002296), (78, 274438164), (84, 254835438), (88, 243252009), (91, 235232712), (93, 230173944), (99, 216224008), (104, 205828623), (117, 182958776), (121, 176910552), (124, 172630458), (126, 169890292), (132, 162168006), (134, 159747588), (143, 149693544), (154, 139001148), (156, 137219082), (168, 127417719), (169, 126663768), (182, 117616356), (186, 115086972), (198, 108112004), (201, 106498392), (217, 98645976), (231, 92667432), (234, 91479388), (242, 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