21657184

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{971}}^1$

素因数の和:1039

約数の個数: 48

約数和(自身を含む): 46294416

約数和(自身を除く): 24637232

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 41, 68, 82, 136, 164, 272, 328, 544, 656, 697, 971, 1312, 1394, 1942, 2788, 3884, 5576, 7768, 11152, 15536, 16507, 22304, 31072, 33014, 39811, 66028, 79622, 132056, 159244, 264112, 318488, 528224, 636976, 676787, 1273952, 1353574, 2707148, 5414296, 10828592, 21657184]

約数ペア:

[(1, 21657184), (2, 10828592), (4, 5414296), (8, 2707148), (16, 1353574), (17, 1273952), (32, 676787), (34, 636976), (41, 528224), (68, 318488), (82, 264112), (136, 159244), (164, 132056), (272, 79622), (328, 66028), (544, 39811), (656, 33014), (697, 31072), (971, 22304), (1312, 16507), (1394, 15536), (1942, 11152), (2788, 7768), (3884, 5576)]