21704672

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{313}}^1$

素因数の和:531

約数の個数: 48

約数和(自身を含む): 47002032

約数和(自身を除く): 25297360

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 176, 197, 313, 352, 394, 626, 788, 1252, 1576, 2167, 2504, 3152, 3443, 4334, 5008, 6304, 6886, 8668, 10016, 13772, 17336, 27544, 34672, 55088, 61661, 69344, 110176, 123322, 246644, 493288, 678271, 986576, 1356542, 1973152, 2713084, 5426168, 10852336, 21704672]

約数ペア:

[(1, 21704672), (2, 10852336), (4, 5426168), (8, 2713084), (11, 1973152), (16, 1356542), (22, 986576), (32, 678271), (44, 493288), (88, 246644), (176, 123322), (197, 110176), (313, 69344), (352, 61661), (394, 55088), (626, 34672), (788, 27544), (1252, 17336), (1576, 13772), (2167, 10016), (2504, 8668), (3152, 6886), (3443, 6304), (4334, 5008)]