21956832

素因数分解:

$2^5\times 3^4\times {\mathrm{43}}^1\times {\mathrm{197}}^1$

素因数の和:262

約数の個数: 120

約数和(自身を含む): 66411576

約数和(自身を除く): 44454744

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 43, 48, 54, 72, 81, 86, 96, 108, 129, 144, 162, 172, 197, 216, 258, 288, 324, 344, 387, 394, 432, 516, 591, 648, 688, 774, 788, 864, 1032, 1161, 1182, 1296, 1376, 1548, 1576, 1773, 2064, 2322, 2364, 2592, 3096, 3152, 3483, 3546, 4128, 4644, 4728, 5319, 6192, 6304, 6966, 7092, 8471, 9288, 9456, 10638, 12384, 13932, 14184, 15957, 16942, 18576, 18912, 21276, 25413, 27864, 28368, 31914, 33884, 37152, 42552, 50826, 55728, 56736, 63828, 67768, 76239, 85104, 101652, 111456, 127656, 135536, 152478, 170208, 203304, 228717, 255312, 271072, 304956, 406608, 457434, 510624, 609912, 686151, 813216, 914868, 1219824, 1372302, 1829736, 2439648, 2744604, 3659472, 5489208, 7318944, 10978416, 21956832]

約数ペア:

[(1, 21956832), (2, 10978416), (3, 7318944), (4, 5489208), (6, 3659472), (8, 2744604), (9, 2439648), (12, 1829736), (16, 1372302), (18, 1219824), (24, 914868), (27, 813216), (32, 686151), (36, 609912), (43, 510624), (48, 457434), (54, 406608), (72, 304956), (81, 271072), (86, 255312), (96, 228717), (108, 203304), (129, 170208), (144, 152478), (162, 135536), (172, 127656), (197, 111456), (216, 101652), (258, 85104), (288, 76239), (324, 67768), (344, 63828), (387, 56736), (394, 55728), (432, 50826), (516, 42552), (591, 37152), (648, 33884), (688, 31914), (774, 28368), (788, 27864), (864, 25413), (1032, 21276), (1161, 18912), (1182, 18576), (1296, 16942), (1376, 15957), (1548, 14184), (1576, 13932), (1773, 12384), (2064, 10638), (2322, 9456), (2364, 9288), (2592, 8471), (3096, 7092), (3152, 6966), (3483, 6304), (3546, 6192), (4128, 5319), (4644, 4728)]