21423935

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{8039}}^1$

素因数の和:8098

約数の個数: 16

約数和(自身を含む): 28365120

約数和(自身を除く): 6941185

約数列:

[1, 5, 13, 41, 65, 205, 533, 2665, 8039, 40195, 104507, 329599, 522535, 1647995, 4284787, 21423935]

約数ペア:

[(1, 21423935), (5, 4284787), (13, 1647995), (41, 522535), (65, 329599), (205, 104507), (533, 40195), (2665, 8039)]