21161280

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:141

約数の個数: 224

約数和(自身を含む): 79589376

約数和(自身を除く): 58428096

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 47, 48, 56, 60, 64, 67, 70, 80, 84, 94, 96, 105, 112, 120, 134, 140, 141, 160, 168, 188, 192, 201, 210, 224, 235, 240, 268, 280, 282, 320, 329, 335, 336, 376, 402, 420, 448, 469, 470, 480, 536, 560, 564, 658, 670, 672, 705, 752, 804, 840, 938, 940, 960, 987, 1005, 1072, 1120, 1128, 1316, 1340, 1344, 1407, 1410, 1504, 1608, 1645, 1680, 1876, 1880, 1974, 2010, 2144, 2240, 2256, 2345, 2632, 2680, 2814, 2820, 3008, 3149, 3216, 3290, 3360, 3752, 3760, 3948, 4020, 4288, 4512, 4690, 4935, 5264, 5360, 5628, 5640, 6298, 6432, 6580, 6720, 7035, 7504, 7520, 7896, 8040, 9024, 9380, 9447, 9870, 10528, 10720, 11256, 11280, 12596, 12864, 13160, 14070, 15008, 15040, 15745, 15792, 16080, 18760, 18894, 19740, 21056, 21440, 22043, 22512, 22560, 25192, 26320, 28140, 30016, 31490, 31584, 32160, 37520, 37788, 39480, 44086, 45024, 45120, 47235, 50384, 52640, 56280, 62980, 63168, 64320, 66129, 75040, 75576, 78960, 88172, 90048, 94470, 100768, 105280, 110215, 112560, 125960, 132258, 150080, 151152, 157920, 176344, 188940, 201536, 220430, 225120, 251920, 264516, 302304, 315840, 330645, 352688, 377880, 440860, 450240, 503840, 529032, 604608, 661290, 705376, 755760, 881720, 1007680, 1058064, 1322580, 1410752, 1511520, 1763440, 2116128, 2645160, 3023040, 3526880, 4232256, 5290320, 7053760, 10580640, 21161280]

約数ペア:

[(1, 21161280), (2, 10580640), (3, 7053760), (4, 5290320), (5, 4232256), (6, 3526880), (7, 3023040), (8, 2645160), (10, 2116128), (12, 1763440), (14, 1511520), (15, 1410752), (16, 1322580), (20, 1058064), (21, 1007680), (24, 881720), (28, 755760), (30, 705376), (32, 661290), (35, 604608), (40, 529032), (42, 503840), (47, 450240), (48, 440860), (56, 377880), (60, 352688), (64, 330645), (67, 315840), (70, 302304), (80, 264516), (84, 251920), (94, 225120), (96, 220430), (105, 201536), (112, 188940), (120, 176344), (134, 157920), (140, 151152), (141, 150080), (160, 132258), (168, 125960), (188, 112560), (192, 110215), (201, 105280), (210, 100768), (224, 94470), (235, 90048), (240, 88172), (268, 78960), (280, 75576), (282, 75040), (320, 66129), (329, 64320), (335, 63168), (336, 62980), (376, 56280), (402, 52640), (420, 50384), (448, 47235), (469, 45120), (470, 45024), (480, 44086), (536, 39480), (560, 37788), (564, 37520), (658, 32160), (670, 31584), (672, 31490), (705, 30016), (752, 28140), (804, 26320), (840, 25192), (938, 22560), (940, 22512), (960, 22043), (987, 21440), (1005, 21056), (1072, 19740), (1120, 18894), (1128, 18760), (1316, 16080), (1340, 15792), (1344, 15745), (1407, 15040), (1410, 15008), (1504, 14070), (1608, 13160), (1645, 12864), (1680, 12596), (1876, 11280), (1880, 11256), (1974, 10720), (2010, 10528), (2144, 9870), (2240, 9447), (2256, 9380), (2345, 9024), (2632, 8040), (2680, 7896), (2814, 7520), (2820, 7504), (3008, 7035), (3149, 6720), (3216, 6580), (3290, 6432), (3360, 6298), (3752, 5640), (3760, 5628), (3948, 5360), (4020, 5264), (4288, 4935), (4512, 4690)]