21838809

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{7229}}^1$

素因数の和:7304

約数の個数: 16

約数和(自身を含む): 31233600

約数和(自身を除く): 9394791

約数列:

[1, 3, 19, 53, 57, 159, 1007, 3021, 7229, 21687, 137351, 383137, 412053, 1149411, 7279603, 21838809]

約数ペア:

[(1, 21838809), (3, 7279603), (19, 1149411), (53, 412053), (57, 383137), (159, 137351), (1007, 21687), (3021, 7229)]