21958552

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{829}}^1$

素因数の和:896

約数の個数: 64

約数和(自身を含む): 52588800

約数和(自身を除く): 30630248

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 43, 44, 56, 77, 86, 88, 154, 172, 301, 308, 344, 473, 602, 616, 829, 946, 1204, 1658, 1892, 2408, 3311, 3316, 3784, 5803, 6622, 6632, 9119, 11606, 13244, 18238, 23212, 26488, 35647, 36476, 46424, 63833, 71294, 72952, 127666, 142588, 249529, 255332, 285176, 392117, 499058, 510664, 784234, 998116, 1568468, 1996232, 2744819, 3136936, 5489638, 10979276, 21958552]

約数ペア:

[(1, 21958552), (2, 10979276), (4, 5489638), (7, 3136936), (8, 2744819), (11, 1996232), (14, 1568468), (22, 998116), (28, 784234), (43, 510664), (44, 499058), (56, 392117), (77, 285176), (86, 255332), (88, 249529), (154, 142588), (172, 127666), (301, 72952), (308, 71294), (344, 63833), (473, 46424), (602, 36476), (616, 35647), (829, 26488), (946, 23212), (1204, 18238), (1658, 13244), (1892, 11606), (2408, 9119), (3311, 6632), (3316, 6622), (3784, 5803)]