21434144

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{41}}^1$

素因数の和:130

約数の個数: 72

約数和(自身を含む): 47294604

約数和(自身を除く): 25860460

約数列:

[1, 2, 4, 8, 16, 17, 31, 32, 34, 41, 62, 68, 82, 124, 136, 164, 248, 272, 328, 496, 527, 544, 656, 697, 961, 992, 1054, 1271, 1312, 1394, 1922, 2108, 2542, 2788, 3844, 4216, 5084, 5576, 7688, 8432, 10168, 11152, 15376, 16337, 16864, 20336, 21607, 22304, 30752, 32674, 39401, 40672, 43214, 65348, 78802, 86428, 130696, 157604, 172856, 261392, 315208, 345712, 522784, 630416, 669817, 691424, 1260832, 1339634, 2679268, 5358536, 10717072, 21434144]

約数ペア:

[(1, 21434144), (2, 10717072), (4, 5358536), (8, 2679268), (16, 1339634), (17, 1260832), (31, 691424), (32, 669817), (34, 630416), (41, 522784), (62, 345712), (68, 315208), (82, 261392), (124, 172856), (136, 157604), (164, 130696), (248, 86428), (272, 78802), (328, 65348), (496, 43214), (527, 40672), (544, 39401), (656, 32674), (697, 30752), (961, 22304), (992, 21607), (1054, 20336), (1271, 16864), (1312, 16337), (1394, 15376), (1922, 11152), (2108, 10168), (2542, 8432), (2788, 7688), (3844, 5576), (4216, 5084)]