21909360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{193}}^1$

素因数の和:263

約数の個数: 160

約数和(自身を含む): 76209408

約数和(自身を除く): 54300048

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 43, 44, 48, 55, 60, 66, 80, 86, 88, 110, 120, 129, 132, 165, 172, 176, 193, 215, 220, 240, 258, 264, 330, 344, 386, 430, 440, 473, 516, 528, 579, 645, 660, 688, 772, 860, 880, 946, 965, 1032, 1158, 1290, 1320, 1419, 1544, 1720, 1892, 1930, 2064, 2123, 2316, 2365, 2580, 2640, 2838, 2895, 3088, 3440, 3784, 3860, 4246, 4632, 4730, 5160, 5676, 5790, 6369, 7095, 7568, 7720, 8299, 8492, 9264, 9460, 10320, 10615, 11352, 11580, 12738, 14190, 15440, 16598, 16984, 18920, 21230, 22704, 23160, 24897, 25476, 28380, 31845, 33196, 33968, 37840, 41495, 42460, 46320, 49794, 50952, 56760, 63690, 66392, 82990, 84920, 91289, 99588, 101904, 113520, 124485, 127380, 132784, 165980, 169840, 182578, 199176, 248970, 254760, 273867, 331960, 365156, 398352, 456445, 497940, 509520, 547734, 663920, 730312, 912890, 995880, 1095468, 1369335, 1460624, 1825780, 1991760, 2190936, 2738670, 3651560, 4381872, 5477340, 7303120, 10954680, 21909360]

約数ペア:

[(1, 21909360), (2, 10954680), (3, 7303120), (4, 5477340), (5, 4381872), (6, 3651560), (8, 2738670), (10, 2190936), (11, 1991760), (12, 1825780), (15, 1460624), (16, 1369335), (20, 1095468), (22, 995880), (24, 912890), (30, 730312), (33, 663920), (40, 547734), (43, 509520), (44, 497940), (48, 456445), (55, 398352), (60, 365156), (66, 331960), (80, 273867), (86, 254760), (88, 248970), (110, 199176), (120, 182578), (129, 169840), (132, 165980), (165, 132784), (172, 127380), (176, 124485), (193, 113520), (215, 101904), (220, 99588), (240, 91289), (258, 84920), (264, 82990), (330, 66392), (344, 63690), (386, 56760), (430, 50952), (440, 49794), (473, 46320), (516, 42460), (528, 41495), (579, 37840), (645, 33968), (660, 33196), (688, 31845), (772, 28380), (860, 25476), (880, 24897), (946, 23160), (965, 22704), (1032, 21230), (1158, 18920), (1290, 16984), (1320, 16598), (1419, 15440), (1544, 14190), (1720, 12738), (1892, 11580), (1930, 11352), (2064, 10615), (2123, 10320), (2316, 9460), (2365, 9264), (2580, 8492), (2640, 8299), (2838, 7720), (2895, 7568), (3088, 7095), (3440, 6369), (3784, 5790), (3860, 5676), (4246, 5160), (4632, 4730)]