21043488

素因数分解:

$2^5\times 3^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1$

素因数の和:254

約数の個数: 96

約数和(自身を含む): 59270400

約数和(自身を除く): 38226912

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 32, 38, 48, 57, 76, 83, 96, 114, 139, 152, 166, 228, 249, 278, 304, 332, 417, 456, 498, 556, 608, 664, 834, 912, 996, 1112, 1328, 1577, 1668, 1824, 1992, 2224, 2641, 2656, 3154, 3336, 3984, 4448, 4731, 5282, 6308, 6672, 7923, 7968, 9462, 10564, 11537, 12616, 13344, 15846, 18924, 21128, 23074, 25232, 31692, 34611, 37848, 42256, 46148, 50464, 63384, 69222, 75696, 84512, 92296, 126768, 138444, 151392, 184592, 219203, 253536, 276888, 369184, 438406, 553776, 657609, 876812, 1107552, 1315218, 1753624, 2630436, 3507248, 5260872, 7014496, 10521744, 21043488]

約数ペア:

[(1, 21043488), (2, 10521744), (3, 7014496), (4, 5260872), (6, 3507248), (8, 2630436), (12, 1753624), (16, 1315218), (19, 1107552), (24, 876812), (32, 657609), (38, 553776), (48, 438406), (57, 369184), (76, 276888), (83, 253536), (96, 219203), (114, 184592), (139, 151392), (152, 138444), (166, 126768), (228, 92296), (249, 84512), (278, 75696), (304, 69222), (332, 63384), (417, 50464), (456, 46148), (498, 42256), (556, 37848), (608, 34611), (664, 31692), (834, 25232), (912, 23074), (996, 21128), (1112, 18924), (1328, 15846), (1577, 13344), (1668, 12616), (1824, 11537), (1992, 10564), (2224, 9462), (2641, 7968), (2656, 7923), (3154, 6672), (3336, 6308), (3984, 5282), (4448, 4731)]