21590800

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{701}}^1$

素因数の和:737

約数の個数: 120

約数和(自身を含む): 64763712

約数和(自身を除く): 43172912

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 25, 28, 35, 40, 44, 50, 55, 56, 70, 77, 80, 88, 100, 110, 112, 140, 154, 175, 176, 200, 220, 275, 280, 308, 350, 385, 400, 440, 550, 560, 616, 700, 701, 770, 880, 1100, 1232, 1400, 1402, 1540, 1925, 2200, 2800, 2804, 3080, 3505, 3850, 4400, 4907, 5608, 6160, 7010, 7700, 7711, 9814, 11216, 14020, 15400, 15422, 17525, 19628, 24535, 28040, 30800, 30844, 35050, 38555, 39256, 49070, 53977, 56080, 61688, 70100, 77110, 78512, 98140, 107954, 122675, 123376, 140200, 154220, 192775, 196280, 215908, 245350, 269885, 280400, 308440, 385550, 392560, 431816, 490700, 539770, 616880, 771100, 863632, 981400, 1079540, 1349425, 1542200, 1962800, 2159080, 2698850, 3084400, 4318160, 5397700, 10795400, 21590800]

約数ペア:

[(1, 21590800), (2, 10795400), (4, 5397700), (5, 4318160), (7, 3084400), (8, 2698850), (10, 2159080), (11, 1962800), (14, 1542200), (16, 1349425), (20, 1079540), (22, 981400), (25, 863632), (28, 771100), (35, 616880), (40, 539770), (44, 490700), (50, 431816), (55, 392560), (56, 385550), (70, 308440), (77, 280400), (80, 269885), (88, 245350), (100, 215908), (110, 196280), (112, 192775), (140, 154220), (154, 140200), (175, 123376), (176, 122675), (200, 107954), (220, 98140), (275, 78512), (280, 77110), (308, 70100), (350, 61688), (385, 56080), (400, 53977), (440, 49070), (550, 39256), (560, 38555), (616, 35050), (700, 30844), (701, 30800), (770, 28040), (880, 24535), (1100, 19628), (1232, 17525), (1400, 15422), (1402, 15400), (1540, 14020), (1925, 11216), (2200, 9814), (2800, 7711), (2804, 7700), (3080, 7010), (3505, 6160), (3850, 5608), (4400, 4907)]