21174472

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{3389}}^1$

素因数の和:3477

約数の個数: 32

約数和(自身を含む): 43934400

約数和(自身を除く): 22759928

約数列:

[1, 2, 4, 8, 11, 22, 44, 71, 88, 142, 284, 568, 781, 1562, 3124, 3389, 6248, 6778, 13556, 27112, 37279, 74558, 149116, 240619, 298232, 481238, 962476, 1924952, 2646809, 5293618, 10587236, 21174472]

約数ペア:

[(1, 21174472), (2, 10587236), (4, 5293618), (8, 2646809), (11, 1924952), (22, 962476), (44, 481238), (71, 298232), (88, 240619), (142, 149116), (284, 74558), (568, 37279), (781, 27112), (1562, 13556), (3124, 6778), (3389, 6248)]