15521772

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{719}}^1$

素因数の和:990

約数の個数: 48

約数和(自身を含む): 41610240

約数和(自身を除く): 26088468

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 257, 514, 719, 771, 1028, 1438, 1542, 1799, 2157, 2876, 3084, 3598, 4314, 5033, 5397, 7196, 8628, 10066, 10794, 15099, 20132, 21588, 30198, 60396, 184783, 369566, 554349, 739132, 1108698, 1293481, 2217396, 2586962, 3880443, 5173924, 7760886, 15521772]

約数ペア:

[(1, 15521772), (2, 7760886), (3, 5173924), (4, 3880443), (6, 2586962), (7, 2217396), (12, 1293481), (14, 1108698), (21, 739132), (28, 554349), (42, 369566), (84, 184783), (257, 60396), (514, 30198), (719, 21588), (771, 20132), (1028, 15099), (1438, 10794), (1542, 10066), (1799, 8628), (2157, 7196), (2876, 5397), (3084, 5033), (3598, 4314)]