21764115

素因数分解:

$3^2\times 5^1\times {\mathrm{283}}^1\times {\mathrm{1709}}^1$

素因数の和:2003

約数の個数: 24

約数和(自身を含む): 37879920

約数和(自身を除く): 16115805

約数列:

[1, 3, 5, 9, 15, 45, 283, 849, 1415, 1709, 2547, 4245, 5127, 8545, 12735, 15381, 25635, 76905, 483647, 1450941, 2418235, 4352823, 7254705, 21764115]

約数ペア:

[(1, 21764115), (3, 7254705), (5, 4352823), (9, 2418235), (15, 1450941), (45, 483647), (283, 76905), (849, 25635), (1415, 15381), (1709, 12735), (2547, 8545), (4245, 5127)]