21204207360

素因数分解:

$2^8\times 3^2\times 5^1\times 7^1\times {\mathrm{262949}}^1$

素因数の和:262983

約数の個数: 216

約数和(自身を含む): 83845288800

約数和(自身を除く): 62641081440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 256, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 560, 576, 630, 640, 672, 720, 768, 840, 896, 960, 1008, 1120, 1152, 1260, 1280, 1344, 1440, 1680, 1792, 1920, 2016, 2240, 2304, 2520, 2688, 2880, 3360, 3840, 4032, 4480, 5040, 5376, 5760, 6720, 8064, 8960, 10080, 11520, 13440, 16128, 20160, 26880, 40320, 80640, 262949, 525898, 788847, 1051796, 1314745, 1577694, 1840643, 2103592, 2366541, 2629490, 3155388, 3681286, 3944235, 4207184, 4733082, 5258980, 5521929, 6310776, 7362572, 7888470, 8414368, 9203215, 9466164, 10517960, 11043858, 11832705, 12621552, 14725144, 15776940, 16565787, 16828736, 18406430, 18932328, 21035920, 22087716, 23665410, 25243104, 27609645, 29450288, 31553880, 33131574, 33657472, 36812860, 37864656, 42071840, 44175432, 47330820, 50486208, 55219290, 58900576, 63107760, 66263148, 67314944, 73625720, 75729312, 82828935, 84143680, 88350864, 94661640, 100972416, 110438580, 117801152, 126215520, 132526296, 147251440, 151458624, 165657870, 168287360, 176701728, 189323280, 201944832, 220877160, 235602304, 252431040, 265052592, 294502880, 302917248, 331315740, 336574720, 353403456, 378646560, 441754320, 471204608, 504862080, 530105184, 589005760, 605834496, 662631480, 706806912, 757293120, 883508640, 1009724160, 1060210368, 1178011520, 1325262960, 1413613824, 1514586240, 1767017280, 2120420736, 2356023040, 2650525920, 3029172480, 3534034560, 4240841472, 5301051840, 7068069120, 10602103680, 21204207360]

約数ペア:

[(1, 21204207360), (2, 10602103680), (3, 7068069120), (4, 5301051840), (5, 4240841472), (6, 3534034560), (7, 3029172480), (8, 2650525920), (9, 2356023040), (10, 2120420736), (12, 1767017280), (14, 1514586240), (15, 1413613824), (16, 1325262960), (18, 1178011520), (20, 1060210368), (21, 1009724160), (24, 883508640), (28, 757293120), (30, 706806912), (32, 662631480), (35, 605834496), (36, 589005760), (40, 530105184), (42, 504862080), (45, 471204608), (48, 441754320), (56, 378646560), (60, 353403456), (63, 336574720), (64, 331315740), (70, 302917248), (72, 294502880), (80, 265052592), (84, 252431040), (90, 235602304), (96, 220877160), (105, 201944832), (112, 189323280), (120, 176701728), (126, 168287360), (128, 165657870), (140, 151458624), (144, 147251440), (160, 132526296), (168, 126215520), (180, 117801152), (192, 110438580), (210, 100972416), (224, 94661640), (240, 88350864), (252, 84143680), (256, 82828935), (280, 75729312), (288, 73625720), (315, 67314944), (320, 66263148), (336, 63107760), (360, 58900576), (384, 55219290), (420, 50486208), (448, 47330820), (480, 44175432), (504, 42071840), (560, 37864656), (576, 36812860), (630, 33657472), (640, 33131574), (672, 31553880), (720, 29450288), (768, 27609645), (840, 25243104), (896, 23665410), (960, 22087716), (1008, 21035920), (1120, 18932328), (1152, 18406430), (1260, 16828736), (1280, 16565787), (1344, 15776940), (1440, 14725144), (1680, 12621552), (1792, 11832705), (1920, 11043858), (2016, 10517960), (2240, 9466164), (2304, 9203215), (2520, 8414368), (2688, 7888470), (2880, 7362572), (3360, 6310776), (3840, 5521929), (4032, 5258980), (4480, 4733082), (5040, 4207184), (5376, 3944235), (5760, 3681286), (6720, 3155388), (8064, 2629490), (8960, 2366541), (10080, 2103592), (11520, 1840643), (13440, 1577694), (16128, 1314745), (20160, 1051796), (26880, 788847), (40320, 525898), (80640, 262949)]