21810030

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:146

約数の個数: 128

約数和(自身を含む): 61585920

約数和(自身を除く): 39775890

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 29, 30, 33, 43, 53, 55, 58, 66, 86, 87, 106, 110, 129, 145, 159, 165, 174, 215, 258, 265, 290, 318, 319, 330, 430, 435, 473, 530, 583, 638, 645, 795, 870, 946, 957, 1166, 1247, 1290, 1419, 1537, 1590, 1595, 1749, 1914, 2279, 2365, 2494, 2838, 2915, 3074, 3190, 3498, 3741, 4558, 4611, 4730, 4785, 5830, 6235, 6837, 7095, 7482, 7685, 8745, 9222, 9570, 11395, 12470, 13674, 13717, 14190, 15370, 16907, 17490, 18705, 22790, 23055, 25069, 27434, 33814, 34185, 37410, 41151, 46110, 50138, 50721, 66091, 68370, 68585, 75207, 82302, 84535, 101442, 125345, 132182, 137170, 150414, 169070, 198273, 205755, 250690, 253605, 330455, 376035, 396546, 411510, 507210, 660910, 727001, 752070, 991365, 1454002, 1982730, 2181003, 3635005, 4362006, 7270010, 10905015, 21810030]

約数ペア:

[(1, 21810030), (2, 10905015), (3, 7270010), (5, 4362006), (6, 3635005), (10, 2181003), (11, 1982730), (15, 1454002), (22, 991365), (29, 752070), (30, 727001), (33, 660910), (43, 507210), (53, 411510), (55, 396546), (58, 376035), (66, 330455), (86, 253605), (87, 250690), (106, 205755), (110, 198273), (129, 169070), (145, 150414), (159, 137170), (165, 132182), (174, 125345), (215, 101442), (258, 84535), (265, 82302), (290, 75207), (318, 68585), (319, 68370), (330, 66091), (430, 50721), (435, 50138), (473, 46110), (530, 41151), (583, 37410), (638, 34185), (645, 33814), (795, 27434), (870, 25069), (946, 23055), (957, 22790), (1166, 18705), (1247, 17490), (1290, 16907), (1419, 15370), (1537, 14190), (1590, 13717), (1595, 13674), (1749, 12470), (1914, 11395), (2279, 9570), (2365, 9222), (2494, 8745), (2838, 7685), (2915, 7482), (3074, 7095), (3190, 6837), (3498, 6235), (3741, 5830), (4558, 4785), (4611, 4730)]