21743600

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{2861}}^1$

素因数の和:2898

約数の個数: 60

約数和(自身を含む): 55007640

約数和(自身を除く): 33264040

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 76, 80, 95, 100, 152, 190, 200, 304, 380, 400, 475, 760, 950, 1520, 1900, 2861, 3800, 5722, 7600, 11444, 14305, 22888, 28610, 45776, 54359, 57220, 71525, 108718, 114440, 143050, 217436, 228880, 271795, 286100, 434872, 543590, 572200, 869744, 1087180, 1144400, 1358975, 2174360, 2717950, 4348720, 5435900, 10871800, 21743600]

約数ペア:

[(1, 21743600), (2, 10871800), (4, 5435900), (5, 4348720), (8, 2717950), (10, 2174360), (16, 1358975), (19, 1144400), (20, 1087180), (25, 869744), (38, 572200), (40, 543590), (50, 434872), (76, 286100), (80, 271795), (95, 228880), (100, 217436), (152, 143050), (190, 114440), (200, 108718), (304, 71525), (380, 57220), (400, 54359), (475, 45776), (760, 28610), (950, 22888), (1520, 14305), (1900, 11444), (2861, 7600), (3800, 5722)]