21449376

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{337}}^1$

素因数の和:383

約数の個数: 144

約数和(自身を含む): 69759144

約数和(自身を除く): 48309768

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 17, 18, 24, 26, 32, 34, 36, 39, 48, 51, 52, 68, 72, 78, 96, 102, 104, 117, 136, 144, 153, 156, 204, 208, 221, 234, 272, 288, 306, 312, 337, 408, 416, 442, 468, 544, 612, 624, 663, 674, 816, 884, 936, 1011, 1224, 1248, 1326, 1348, 1632, 1768, 1872, 1989, 2022, 2448, 2652, 2696, 3033, 3536, 3744, 3978, 4044, 4381, 4896, 5304, 5392, 5729, 6066, 7072, 7956, 8088, 8762, 10608, 10784, 11458, 12132, 13143, 15912, 16176, 17187, 17524, 21216, 22916, 24264, 26286, 31824, 32352, 34374, 35048, 39429, 45832, 48528, 51561, 52572, 63648, 68748, 70096, 74477, 78858, 91664, 97056, 103122, 105144, 137496, 140192, 148954, 157716, 183328, 206244, 210288, 223431, 274992, 297908, 315432, 412488, 420576, 446862, 549984, 595816, 630864, 670293, 824976, 893724, 1191632, 1261728, 1340586, 1649952, 1787448, 2383264, 2681172, 3574896, 5362344, 7149792, 10724688, 21449376]

約数ペア:

[(1, 21449376), (2, 10724688), (3, 7149792), (4, 5362344), (6, 3574896), (8, 2681172), (9, 2383264), (12, 1787448), (13, 1649952), (16, 1340586), (17, 1261728), (18, 1191632), (24, 893724), (26, 824976), (32, 670293), (34, 630864), (36, 595816), (39, 549984), (48, 446862), (51, 420576), (52, 412488), (68, 315432), (72, 297908), (78, 274992), (96, 223431), (102, 210288), (104, 206244), (117, 183328), (136, 157716), (144, 148954), (153, 140192), (156, 137496), (204, 105144), (208, 103122), (221, 97056), (234, 91664), (272, 78858), (288, 74477), (306, 70096), (312, 68748), (337, 63648), (408, 52572), (416, 51561), (442, 48528), (468, 45832), (544, 39429), (612, 35048), (624, 34374), (663, 32352), (674, 31824), (816, 26286), (884, 24264), (936, 22916), (1011, 21216), (1224, 17524), (1248, 17187), (1326, 16176), (1348, 15912), (1632, 13143), (1768, 12132), (1872, 11458), (1989, 10784), (2022, 10608), (2448, 8762), (2652, 8088), (2696, 7956), (3033, 7072), (3536, 6066), (3744, 5729), (3978, 5392), (4044, 5304), (4381, 4896)]