21866442

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{280339}}^1$

素因数の和:280357

約数の個数: 16

約数和(自身を含む): 47097120

約数和(自身を除く): 25230678

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 280339, 560678, 841017, 1682034, 3644407, 7288814, 10933221, 21866442]

約数ペア:

[(1, 21866442), (2, 10933221), (3, 7288814), (6, 3644407), (13, 1682034), (26, 841017), (39, 560678), (78, 280339)]