21906937

素因数分解:

${\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{257}}^1$

素因数の和:432

約数の個数: 16

約数和(自身を含む): 24272640

約数和(自身を除く): 2365703

約数列:

[1, 13, 79, 83, 257, 1027, 1079, 3341, 6557, 20303, 21331, 85241, 263939, 277303, 1685149, 21906937]

約数ペア:

[(1, 21906937), (13, 1685149), (79, 277303), (83, 263939), (257, 85241), (1027, 21331), (1079, 20303), (3341, 6557)]