21055263

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{2411}}^1$

素因数の和:2526

約数の個数: 16

約数和(自身を含む): 29175552

約数和(自身を除く): 8120289

約数列:

[1, 3, 41, 71, 123, 213, 2411, 2911, 7233, 8733, 98851, 171181, 296553, 513543, 7018421, 21055263]

約数ペア:

[(1, 21055263), (3, 7018421), (41, 513543), (71, 296553), (123, 171181), (213, 98851), (2411, 8733), (2911, 7233)]