21740825

素因数分解:

$5^2\times {\mathrm{571}}^1\times {\mathrm{1523}}^1$

素因数の和:2104

約数の個数: 12

約数和(自身を含む): 27023568

約数和(自身を除く): 5282743

約数列:

[1, 5, 25, 571, 1523, 2855, 7615, 14275, 38075, 869633, 4348165, 21740825]

約数ペア:

[(1, 21740825), (5, 4348165), (25, 869633), (571, 38075), (1523, 14275), (2855, 7615)]