21248691

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{373}}^1\times {\mathrm{1117}}^1$

素因数の和:1510

約数の個数: 16

約数和(自身を含む): 30105504

約数和(自身を除く): 8856813

約数列:

[1, 3, 17, 51, 373, 1117, 1119, 3351, 6341, 18989, 19023, 56967, 416641, 1249923, 7082897, 21248691]

約数ペア:

[(1, 21248691), (3, 7082897), (17, 1249923), (51, 416641), (373, 56967), (1117, 19023), (1119, 18989), (3351, 6341)]