21260232

素因数分解:

$2^3\times 3^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:177

約数の個数: 160

約数和(自身を含む): 70276800

約数和(自身を除く): 49016568

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 43, 54, 56, 63, 72, 81, 84, 86, 108, 109, 126, 129, 162, 168, 172, 189, 216, 218, 252, 258, 301, 324, 327, 344, 378, 387, 436, 504, 516, 567, 602, 648, 654, 756, 763, 774, 872, 903, 981, 1032, 1134, 1161, 1204, 1308, 1512, 1526, 1548, 1806, 1962, 2268, 2289, 2322, 2408, 2616, 2709, 2943, 3052, 3096, 3483, 3612, 3924, 4536, 4578, 4644, 4687, 5418, 5886, 6104, 6867, 6966, 7224, 7848, 8127, 8829, 9156, 9288, 9374, 10836, 11772, 13734, 13932, 14061, 16254, 17658, 18312, 18748, 20601, 21672, 23544, 24381, 27468, 27864, 28122, 32508, 32809, 35316, 37496, 41202, 42183, 48762, 54936, 56244, 61803, 65016, 65618, 70632, 82404, 84366, 97524, 98427, 112488, 123606, 126549, 131236, 164808, 168732, 195048, 196854, 247212, 253098, 262472, 295281, 337464, 379647, 393708, 494424, 506196, 590562, 759294, 787416, 885843, 1012392, 1181124, 1518588, 1771686, 2362248, 2657529, 3037176, 3543372, 5315058, 7086744, 10630116, 21260232]

約数ペア:

[(1, 21260232), (2, 10630116), (3, 7086744), (4, 5315058), (6, 3543372), (7, 3037176), (8, 2657529), (9, 2362248), (12, 1771686), (14, 1518588), (18, 1181124), (21, 1012392), (24, 885843), (27, 787416), (28, 759294), (36, 590562), (42, 506196), (43, 494424), (54, 393708), (56, 379647), (63, 337464), (72, 295281), (81, 262472), (84, 253098), (86, 247212), (108, 196854), (109, 195048), (126, 168732), (129, 164808), (162, 131236), (168, 126549), (172, 123606), (189, 112488), (216, 98427), (218, 97524), (252, 84366), (258, 82404), (301, 70632), (324, 65618), (327, 65016), (344, 61803), (378, 56244), (387, 54936), (436, 48762), (504, 42183), (516, 41202), (567, 37496), (602, 35316), (648, 32809), (654, 32508), (756, 28122), (763, 27864), (774, 27468), (872, 24381), (903, 23544), (981, 21672), (1032, 20601), (1134, 18748), (1161, 18312), (1204, 17658), (1308, 16254), (1512, 14061), (1526, 13932), (1548, 13734), (1806, 11772), (1962, 10836), (2268, 9374), (2289, 9288), (2322, 9156), (2408, 8829), (2616, 8127), (2709, 7848), (2943, 7224), (3052, 6966), (3096, 6867), (3483, 6104), (3612, 5886), (3924, 5418), (4536, 4687), (4578, 4644)]