21299656

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^2\times {\mathrm{719}}^1$

素因数の和:778

約数の個数: 48

約数和(自身を含む): 47779200

約数和(自身を除く): 26479544

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 161, 184, 322, 529, 644, 719, 1058, 1288, 1438, 2116, 2876, 3703, 4232, 5033, 5752, 7406, 10066, 14812, 16537, 20132, 29624, 33074, 40264, 66148, 115759, 132296, 231518, 380351, 463036, 760702, 926072, 1521404, 2662457, 3042808, 5324914, 10649828, 21299656]

約数ペア:

[(1, 21299656), (2, 10649828), (4, 5324914), (7, 3042808), (8, 2662457), (14, 1521404), (23, 926072), (28, 760702), (46, 463036), (56, 380351), (92, 231518), (161, 132296), (184, 115759), (322, 66148), (529, 40264), (644, 33074), (719, 29624), (1058, 20132), (1288, 16537), (1438, 14812), (2116, 10066), (2876, 7406), (3703, 5752), (4232, 5033)]