21944923

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{1993}}^1$

素因数の和:2035

約数の個数: 24

約数和(自身を含む): 29702624

約数和(自身を除く): 7757701

約数列:

[1, 7, 11, 13, 77, 91, 121, 143, 847, 1001, 1573, 1993, 11011, 13951, 21923, 25909, 153461, 181363, 241153, 284999, 1688071, 1994993, 3134989, 21944923]

約数ペア:

[(1, 21944923), (7, 3134989), (11, 1994993), (13, 1688071), (77, 284999), (91, 241153), (121, 181363), (143, 153461), (847, 25909), (1001, 21923), (1573, 13951), (1993, 11011)]