21439264

素因数分解:

$2^5\times 7^2\times {\mathrm{11}}^2\times {\mathrm{113}}^1$

素因数の和:159

約数の個数: 108

約数和(自身を含む): 54446742

約数和(自身を除く): 33007478

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 49, 56, 77, 88, 98, 112, 113, 121, 154, 176, 196, 224, 226, 242, 308, 352, 392, 452, 484, 539, 616, 784, 791, 847, 904, 968, 1078, 1232, 1243, 1568, 1582, 1694, 1808, 1936, 2156, 2464, 2486, 3164, 3388, 3616, 3872, 4312, 4972, 5537, 5929, 6328, 6776, 8624, 8701, 9944, 11074, 11858, 12656, 13552, 13673, 17248, 17402, 19888, 22148, 23716, 25312, 27104, 27346, 34804, 39776, 44296, 47432, 54692, 60907, 69608, 88592, 94864, 95711, 109384, 121814, 139216, 177184, 189728, 191422, 218768, 243628, 278432, 382844, 437536, 487256, 669977, 765688, 974512, 1339954, 1531376, 1949024, 2679908, 3062752, 5359816, 10719632, 21439264]

約数ペア:

[(1, 21439264), (2, 10719632), (4, 5359816), (7, 3062752), (8, 2679908), (11, 1949024), (14, 1531376), (16, 1339954), (22, 974512), (28, 765688), (32, 669977), (44, 487256), (49, 437536), (56, 382844), (77, 278432), (88, 243628), (98, 218768), (112, 191422), (113, 189728), (121, 177184), (154, 139216), (176, 121814), (196, 109384), (224, 95711), (226, 94864), (242, 88592), (308, 69608), (352, 60907), (392, 54692), (452, 47432), (484, 44296), (539, 39776), (616, 34804), (784, 27346), (791, 27104), (847, 25312), (904, 23716), (968, 22148), (1078, 19888), (1232, 17402), (1243, 17248), (1568, 13673), (1582, 13552), (1694, 12656), (1808, 11858), (1936, 11074), (2156, 9944), (2464, 8701), (2486, 8624), (3164, 6776), (3388, 6328), (3616, 5929), (3872, 5537), (4312, 4972)]