21847713

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{313}}^1\times {\mathrm{439}}^1$

素因数の和:808

約数の個数: 16

約数和(自身を含む): 29842560

約数和(自身を除く): 7994847

約数列:

[1, 3, 53, 159, 313, 439, 939, 1317, 16589, 23267, 49767, 69801, 137407, 412221, 7282571, 21847713]

約数ペア:

[(1, 21847713), (3, 7282571), (53, 412221), (159, 137407), (313, 69801), (439, 49767), (939, 23267), (1317, 16589)]