21828265

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{2833}}^1$

素因数の和:2928

約数の個数: 16

約数和(自身を含む): 27750528

約数和(自身を除く): 5922263

約数列:

[1, 5, 23, 67, 115, 335, 1541, 2833, 7705, 14165, 65159, 189811, 325795, 949055, 4365653, 21828265]

約数ペア:

[(1, 21828265), (5, 4365653), (23, 949055), (67, 325795), (115, 189811), (335, 65159), (1541, 14165), (2833, 7705)]