21243350968

素因数分解:

$2^3\times 7^1\times {\mathrm{193}}^1\times {\mathrm{1965521}}^1$

素因数の和:1965727

約数の個数: 32

約数和(自身を含む): 45757352160

約数和(自身を除く): 24514001192

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 193, 386, 772, 1351, 1544, 2702, 5404, 10808, 1965521, 3931042, 7862084, 13758647, 15724168, 27517294, 55034588, 110069176, 379345553, 758691106, 1517382212, 2655418871, 3034764424, 5310837742, 10621675484, 21243350968]

約数ペア:

[(1, 21243350968), (2, 10621675484), (4, 5310837742), (7, 3034764424), (8, 2655418871), (14, 1517382212), (28, 758691106), (56, 379345553), (193, 110069176), (386, 55034588), (772, 27517294), (1351, 15724168), (1544, 13758647), (2702, 7862084), (5404, 3931042), (10808, 1965521)]