21301528053

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{1565023}}^1$

素因数の和:1565388

約数の個数: 16

約数和(自身を含む): 30674470400

約数和(自身を除く): 9372942347

約数列:

[1, 3, 13, 39, 349, 1047, 4537, 13611, 1565023, 4695069, 20345299, 61035897, 546193027, 1638579081, 7100509351, 21301528053]

約数ペア:

[(1, 21301528053), (3, 7100509351), (13, 1638579081), (39, 546193027), (349, 61035897), (1047, 20345299), (4537, 4695069), (13611, 1565023)]