21616416

素因数分解:

$2^5\times 3^3\times {\mathrm{127}}^1\times {\mathrm{197}}^1$

素因数の和:343

約数の個数: 96

約数和(自身を含む): 63866880

約数和(自身を除く): 42250464

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 96, 108, 127, 144, 197, 216, 254, 288, 381, 394, 432, 508, 591, 762, 788, 864, 1016, 1143, 1182, 1524, 1576, 1773, 2032, 2286, 2364, 3048, 3152, 3429, 3546, 4064, 4572, 4728, 5319, 6096, 6304, 6858, 7092, 9144, 9456, 10638, 12192, 13716, 14184, 18288, 18912, 21276, 25019, 27432, 28368, 36576, 42552, 50038, 54864, 56736, 75057, 85104, 100076, 109728, 150114, 170208, 200152, 225171, 300228, 400304, 450342, 600456, 675513, 800608, 900684, 1200912, 1351026, 1801368, 2401824, 2702052, 3602736, 5404104, 7205472, 10808208, 21616416]

約数ペア:

[(1, 21616416), (2, 10808208), (3, 7205472), (4, 5404104), (6, 3602736), (8, 2702052), (9, 2401824), (12, 1801368), (16, 1351026), (18, 1200912), (24, 900684), (27, 800608), (32, 675513), (36, 600456), (48, 450342), (54, 400304), (72, 300228), (96, 225171), (108, 200152), (127, 170208), (144, 150114), (197, 109728), (216, 100076), (254, 85104), (288, 75057), (381, 56736), (394, 54864), (432, 50038), (508, 42552), (591, 36576), (762, 28368), (788, 27432), (864, 25019), (1016, 21276), (1143, 18912), (1182, 18288), (1524, 14184), (1576, 13716), (1773, 12192), (2032, 10638), (2286, 9456), (2364, 9144), (3048, 7092), (3152, 6858), (3429, 6304), (3546, 6096), (4064, 5319), (4572, 4728)]