21806784

素因数分解:

$2^6\times 3^2\times {\mathrm{17}}^2\times {\mathrm{131}}^1$

素因数の和:183

約数の個数: 126

約数和(自身を含む): 66905124

約数和(自身を除く): 45098340

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 32, 34, 36, 48, 51, 64, 68, 72, 96, 102, 131, 136, 144, 153, 192, 204, 262, 272, 288, 289, 306, 393, 408, 524, 544, 576, 578, 612, 786, 816, 867, 1048, 1088, 1156, 1179, 1224, 1572, 1632, 1734, 2096, 2227, 2312, 2358, 2448, 2601, 3144, 3264, 3468, 4192, 4454, 4624, 4716, 4896, 5202, 6288, 6681, 6936, 8384, 8908, 9248, 9432, 9792, 10404, 12576, 13362, 13872, 17816, 18496, 18864, 20043, 20808, 25152, 26724, 27744, 35632, 37728, 37859, 40086, 41616, 53448, 55488, 71264, 75456, 75718, 80172, 83232, 106896, 113577, 142528, 151436, 160344, 166464, 213792, 227154, 302872, 320688, 340731, 427584, 454308, 605744, 641376, 681462, 908616, 1211488, 1282752, 1362924, 1817232, 2422976, 2725848, 3634464, 5451696, 7268928, 10903392, 21806784]

約数ペア:

[(1, 21806784), (2, 10903392), (3, 7268928), (4, 5451696), (6, 3634464), (8, 2725848), (9, 2422976), (12, 1817232), (16, 1362924), (17, 1282752), (18, 1211488), (24, 908616), (32, 681462), (34, 641376), (36, 605744), (48, 454308), (51, 427584), (64, 340731), (68, 320688), (72, 302872), (96, 227154), (102, 213792), (131, 166464), (136, 160344), (144, 151436), (153, 142528), (192, 113577), (204, 106896), (262, 83232), (272, 80172), (288, 75718), (289, 75456), (306, 71264), (393, 55488), (408, 53448), (524, 41616), (544, 40086), (576, 37859), (578, 37728), (612, 35632), (786, 27744), (816, 26724), (867, 25152), (1048, 20808), (1088, 20043), (1156, 18864), (1179, 18496), (1224, 17816), (1572, 13872), (1632, 13362), (1734, 12576), (2096, 10404), (2227, 9792), (2312, 9432), (2358, 9248), (2448, 8908), (2601, 8384), (3144, 6936), (3264, 6681), (3468, 6288), (4192, 5202), (4454, 4896), (4624, 4716)]