21435504

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{241}}^1$

素因数の和:378

約数の個数: 80

約数和(自身を含む): 59415840

約数和(自身を除く): 37980336

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 102, 109, 136, 204, 218, 241, 272, 327, 408, 436, 482, 654, 723, 816, 872, 964, 1308, 1446, 1744, 1853, 1928, 2616, 2892, 3706, 3856, 4097, 5232, 5559, 5784, 7412, 8194, 11118, 11568, 12291, 14824, 16388, 22236, 24582, 26269, 29648, 32776, 44472, 49164, 52538, 65552, 78807, 88944, 98328, 105076, 157614, 196656, 210152, 315228, 420304, 446573, 630456, 893146, 1260912, 1339719, 1786292, 2679438, 3572584, 5358876, 7145168, 10717752, 21435504]

約数ペア:

[(1, 21435504), (2, 10717752), (3, 7145168), (4, 5358876), (6, 3572584), (8, 2679438), (12, 1786292), (16, 1339719), (17, 1260912), (24, 893146), (34, 630456), (48, 446573), (51, 420304), (68, 315228), (102, 210152), (109, 196656), (136, 157614), (204, 105076), (218, 98328), (241, 88944), (272, 78807), (327, 65552), (408, 52538), (436, 49164), (482, 44472), (654, 32776), (723, 29648), (816, 26269), (872, 24582), (964, 22236), (1308, 16388), (1446, 14824), (1744, 12291), (1853, 11568), (1928, 11118), (2616, 8194), (2892, 7412), (3706, 5784), (3856, 5559), (4097, 5232)]