21939600

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{389}}^1$

素因数の和:457

約数の個数: 120

約数和(自身を含む): 71959680

約数和(自身を除く): 50020080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 47, 48, 50, 60, 75, 80, 94, 100, 120, 141, 150, 188, 200, 235, 240, 282, 300, 376, 389, 400, 470, 564, 600, 705, 752, 778, 940, 1128, 1167, 1175, 1200, 1410, 1556, 1880, 1945, 2256, 2334, 2350, 2820, 3112, 3525, 3760, 3890, 4668, 4700, 5640, 5835, 6224, 7050, 7780, 9336, 9400, 9725, 11280, 11670, 14100, 15560, 18283, 18672, 18800, 19450, 23340, 28200, 29175, 31120, 36566, 38900, 46680, 54849, 56400, 58350, 73132, 77800, 91415, 93360, 109698, 116700, 146264, 155600, 182830, 219396, 233400, 274245, 292528, 365660, 438792, 457075, 466800, 548490, 731320, 877584, 914150, 1096980, 1371225, 1462640, 1828300, 2193960, 2742450, 3656600, 4387920, 5484900, 7313200, 10969800, 21939600]

約数ペア:

[(1, 21939600), (2, 10969800), (3, 7313200), (4, 5484900), (5, 4387920), (6, 3656600), (8, 2742450), (10, 2193960), (12, 1828300), (15, 1462640), (16, 1371225), (20, 1096980), (24, 914150), (25, 877584), (30, 731320), (40, 548490), (47, 466800), (48, 457075), (50, 438792), (60, 365660), (75, 292528), (80, 274245), (94, 233400), (100, 219396), (120, 182830), (141, 155600), (150, 146264), (188, 116700), (200, 109698), (235, 93360), (240, 91415), (282, 77800), (300, 73132), (376, 58350), (389, 56400), (400, 54849), (470, 46680), (564, 38900), (600, 36566), (705, 31120), (752, 29175), (778, 28200), (940, 23340), (1128, 19450), (1167, 18800), (1175, 18672), (1200, 18283), (1410, 15560), (1556, 14100), (1880, 11670), (1945, 11280), (2256, 9725), (2334, 9400), (2350, 9336), (2820, 7780), (3112, 7050), (3525, 6224), (3760, 5835), (3890, 5640), (4668, 4700)]