21837200

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{709}}^1$

素因数の和:745

約数の個数: 120

約数和(自身を含む): 65501760

約数和(自身を除く): 43664560

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, 709, 770, 880, 1100, 1232, 1400, 1418, 1540, 1925, 2200, 2800, 2836, 3080, 3545, 3850, 4400, 4963, 5672, 6160, 7090, 7700, 7799, 9926, 11344, 14180, 15400, 15598, 17725, 19852, 24815, 28360, 30800, 31196, 35450, 38995, 39704, 49630, 54593, 56720, 62392, 70900, 77990, 79408, 99260, 109186, 124075, 124784, 141800, 155980, 194975, 198520, 218372, 248150, 272965, 283600, 311960, 389950, 397040, 436744, 496300, 545930, 623920, 779900, 873488, 992600, 1091860, 1364825, 1559800, 1985200, 2183720, 2729650, 3119600, 4367440, 5459300, 10918600, 21837200]

約数ペア:

[(1, 21837200), (2, 10918600), (4, 5459300), (5, 4367440), (7, 3119600), (8, 2729650), (10, 2183720), (11, 1985200), (14, 1559800), (16, 1364825), (20, 1091860), (22, 992600), (25, 873488), (28, 779900), (35, 623920), (40, 545930), (44, 496300), (50, 436744), (55, 397040), (56, 389950), (70, 311960), (77, 283600), (80, 272965), (88, 248150), (100, 218372), (110, 198520), (112, 194975), (140, 155980), (154, 141800), (175, 124784), (176, 124075), (200, 109186), (220, 99260), (275, 79408), (280, 77990), (308, 70900), (350, 62392), (385, 56720), (400, 54593), (440, 49630), (550, 39704), (560, 38995), (616, 35450), (700, 31196), (709, 30800), (770, 28360), (880, 24815), (1100, 19852), (1232, 17725), (1400, 15598), (1418, 15400), (1540, 14180), (1925, 11344), (2200, 9926), (2800, 7799), (2836, 7700), (3080, 7090), (3545, 6160), (3850, 5672), (4400, 4963)]