21729399

素因数分解:

$3^1\times {\mathrm{73}}^1\times {\mathrm{313}}^1\times {\mathrm{317}}^1$

素因数の和:706

約数の個数: 16

約数和(自身を含む): 29556192

約数和(自身を除く): 7826793

約数列:

[1, 3, 73, 219, 313, 317, 939, 951, 22849, 23141, 68547, 69423, 99221, 297663, 7243133, 21729399]

約数ペア:

[(1, 21729399), (3, 7243133), (73, 297663), (219, 99221), (313, 69423), (317, 68547), (939, 23141), (951, 22849)]