21273485520

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{99707}}^1$

素因数の和:99857

約数の個数: 160

約数和(自身を含む): 75963138048

約数和(自身を除く): 54689652528

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 127, 140, 168, 210, 240, 254, 280, 336, 381, 420, 508, 560, 635, 762, 840, 889, 1016, 1270, 1524, 1680, 1778, 1905, 2032, 2540, 2667, 3048, 3556, 3810, 4445, 5080, 5334, 6096, 7112, 7620, 8890, 10160, 10668, 13335, 14224, 15240, 17780, 21336, 26670, 30480, 35560, 42672, 53340, 71120, 99707, 106680, 199414, 213360, 299121, 398828, 498535, 598242, 697949, 797656, 997070, 1196484, 1395898, 1495605, 1595312, 1994140, 2093847, 2392968, 2791796, 2991210, 3489745, 3988280, 4187694, 4785936, 5583592, 5982420, 6979490, 7976560, 8375388, 10469235, 11167184, 11964840, 12662789, 13958980, 16750776, 20938470, 23929680, 25325578, 27917960, 33501552, 37988367, 41876940, 50651156, 55835920, 63313945, 75976734, 83753880, 88639523, 101302312, 126627890, 151953468, 167507760, 177279046, 189941835, 202604624, 253255780, 265918569, 303906936, 354558092, 379883670, 443197615, 506511560, 531837138, 607813872, 709116184, 759767340, 886395230, 1013023120, 1063674276, 1329592845, 1418232368, 1519534680, 1772790460, 2127348552, 2659185690, 3039069360, 3545580920, 4254697104, 5318371380, 7091161840, 10636742760, 21273485520]

約数ペア:

[(1, 21273485520), (2, 10636742760), (3, 7091161840), (4, 5318371380), (5, 4254697104), (6, 3545580920), (7, 3039069360), (8, 2659185690), (10, 2127348552), (12, 1772790460), (14, 1519534680), (15, 1418232368), (16, 1329592845), (20, 1063674276), (21, 1013023120), (24, 886395230), (28, 759767340), (30, 709116184), (35, 607813872), (40, 531837138), (42, 506511560), (48, 443197615), (56, 379883670), (60, 354558092), (70, 303906936), (80, 265918569), (84, 253255780), (105, 202604624), (112, 189941835), (120, 177279046), (127, 167507760), (140, 151953468), (168, 126627890), (210, 101302312), (240, 88639523), (254, 83753880), (280, 75976734), (336, 63313945), (381, 55835920), (420, 50651156), (508, 41876940), (560, 37988367), (635, 33501552), (762, 27917960), (840, 25325578), (889, 23929680), (1016, 20938470), (1270, 16750776), (1524, 13958980), (1680, 12662789), (1778, 11964840), (1905, 11167184), (2032, 10469235), (2540, 8375388), (2667, 7976560), (3048, 6979490), (3556, 5982420), (3810, 5583592), (4445, 4785936), (5080, 4187694), (5334, 3988280), (6096, 3489745), (7112, 2991210), (7620, 2791796), (8890, 2392968), (10160, 2093847), (10668, 1994140), (13335, 1595312), (14224, 1495605), (15240, 1395898), (17780, 1196484), (21336, 997070), (26670, 797656), (30480, 697949), (35560, 598242), (42672, 498535), (53340, 398828), (71120, 299121), (99707, 213360), (106680, 199414)]