21491617143

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{1993}}^1\times {\mathrm{50627}}^1$

素因数の和:52694

約数の個数: 16

約数和(自身を含む): 29074242816

約数和(自身を除く): 7582625673

約数列:

[1, 3, 71, 213, 1993, 5979, 50627, 141503, 151881, 424509, 3594517, 10783551, 100899611, 302698833, 7163872381, 21491617143]

約数ペア:

[(1, 21491617143), (3, 7163872381), (71, 302698833), (213, 100899611), (1993, 10783551), (5979, 3594517), (50627, 424509), (141503, 151881)]