21220672

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{701}}^1$

素因数の和:767

約数の個数: 56

約数和(自身を含む): 47073312

約数和(自身を除く): 25852640

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 43, 44, 64, 86, 88, 172, 176, 344, 352, 473, 688, 701, 704, 946, 1376, 1402, 1892, 2752, 2804, 3784, 5608, 7568, 7711, 11216, 15136, 15422, 22432, 30143, 30272, 30844, 44864, 60286, 61688, 120572, 123376, 241144, 246752, 331573, 482288, 493504, 663146, 964576, 1326292, 1929152, 2652584, 5305168, 10610336, 21220672]

約数ペア:

[(1, 21220672), (2, 10610336), (4, 5305168), (8, 2652584), (11, 1929152), (16, 1326292), (22, 964576), (32, 663146), (43, 493504), (44, 482288), (64, 331573), (86, 246752), (88, 241144), (172, 123376), (176, 120572), (344, 61688), (352, 60286), (473, 44864), (688, 30844), (701, 30272), (704, 30143), (946, 22432), (1376, 15422), (1402, 15136), (1892, 11216), (2752, 7711), (2804, 7568), (3784, 5608)]