21752258

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{193}}^1$

素因数の和:362

約数の個数: 32

約数和(自身を含む): 36875520

約数和(自身を除く): 15123262

約数列:

[1, 2, 11, 22, 47, 94, 109, 193, 218, 386, 517, 1034, 1199, 2123, 2398, 4246, 5123, 9071, 10246, 18142, 21037, 42074, 56353, 99781, 112706, 199562, 231407, 462814, 988739, 1977478, 10876129, 21752258]

約数ペア:

[(1, 21752258), (2, 10876129), (11, 1977478), (22, 988739), (47, 462814), (94, 231407), (109, 199562), (193, 112706), (218, 99781), (386, 56353), (517, 42074), (1034, 21037), (1199, 18142), (2123, 10246), (2398, 9071), (4246, 5123)]