21341782

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{997}}^1$

素因数の和:1156

約数の個数: 32

約数和(自身を含む): 40239360

約数和(自身を除く): 18897578

約数列:

[1, 2, 7, 11, 14, 22, 77, 139, 154, 278, 973, 997, 1529, 1946, 1994, 3058, 6979, 10703, 10967, 13958, 21406, 21934, 76769, 138583, 153538, 277166, 970081, 1524413, 1940162, 3048826, 10670891, 21341782]

約数ペア:

[(1, 21341782), (2, 10670891), (7, 3048826), (11, 1940162), (14, 1524413), (22, 970081), (77, 277166), (139, 153538), (154, 138583), (278, 76769), (973, 21934), (997, 21406), (1529, 13958), (1946, 10967), (1994, 10703), (3058, 6979)]