21500097266

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{769}}^1\times {\mathrm{6917}}^1$

素因数の和:7778

約数の個数: 32

約数和(自身を含む): 33750984960

約数和(自身を除く): 12250887694

約数列:

[1, 2, 43, 47, 86, 94, 769, 1538, 2021, 4042, 6917, 13834, 33067, 36143, 66134, 72286, 297431, 325099, 594862, 650198, 1554149, 3108298, 5319173, 10638346, 13979257, 27958514, 228724439, 250001131, 457448878, 500002262, 10750048633, 21500097266]

約数ペア:

[(1, 21500097266), (2, 10750048633), (43, 500002262), (47, 457448878), (86, 250001131), (94, 228724439), (769, 27958514), (1538, 13979257), (2021, 10638346), (4042, 5319173), (6917, 3108298), (13834, 1554149), (33067, 650198), (36143, 594862), (66134, 325099), (72286, 297431)]