21969934

素因数分解:

$2^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1$

素因数の和:209

約数の個数: 48

約数和(自身を含む): 40391568

約数和(自身を除く): 18421634

約数列:

[1, 2, 7, 14, 37, 49, 73, 74, 83, 98, 146, 166, 259, 511, 518, 581, 1022, 1162, 1813, 2701, 3071, 3577, 3626, 4067, 5402, 6059, 6142, 7154, 8134, 12118, 18907, 21497, 37814, 42413, 42994, 84826, 132349, 150479, 224183, 264698, 296891, 300958, 448366, 593782, 1569281, 3138562, 10984967, 21969934]

約数ペア:

[(1, 21969934), (2, 10984967), (7, 3138562), (14, 1569281), (37, 593782), (49, 448366), (73, 300958), (74, 296891), (83, 264698), (98, 224183), (146, 150479), (166, 132349), (259, 84826), (511, 42994), (518, 42413), (581, 37814), (1022, 21497), (1162, 18907), (1813, 12118), (2701, 8134), (3071, 7154), (3577, 6142), (3626, 6059), (4067, 5402)]