21250871967

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{317}}^1\times {\mathrm{46457}}^1$

素因数の和:46827

約数の個数: 32

約数和(自身を含む): 31438314432

約数和(自身を除く): 10187442465

約数列:

[1, 3, 13, 37, 39, 111, 317, 481, 951, 1443, 4121, 11729, 12363, 35187, 46457, 139371, 152477, 457431, 603941, 1718909, 1811823, 5156727, 14726869, 22345817, 44180607, 67037451, 191449297, 544894153, 574347891, 1634682459, 7083623989, 21250871967]

約数ペア:

[(1, 21250871967), (3, 7083623989), (13, 1634682459), (37, 574347891), (39, 544894153), (111, 191449297), (317, 67037451), (481, 44180607), (951, 22345817), (1443, 14726869), (4121, 5156727), (11729, 1811823), (12363, 1718909), (35187, 603941), (46457, 457431), (139371, 152477)]