21134885

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{787}}^1$

素因数の和:964

約数の個数: 16

約数和(自身を含む): 26212032

約数和(自身を除く): 5077147

約数列:

[1, 5, 41, 131, 205, 655, 787, 3935, 5371, 26855, 32267, 103097, 161335, 515485, 4226977, 21134885]

約数ペア:

[(1, 21134885), (5, 4226977), (41, 515485), (131, 161335), (205, 103097), (655, 32267), (787, 26855), (3935, 5371)]