21410185

素因数分解:

$5^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{809}}^1$

素因数の和:960

約数の個数: 16

約数和(自身を含む): 26438400

約数和(自身を除く): 5028215

約数列:

[1, 5, 67, 79, 335, 395, 809, 4045, 5293, 26465, 54203, 63911, 271015, 319555, 4282037, 21410185]

約数ペア:

[(1, 21410185), (5, 4282037), (67, 319555), (79, 271015), (335, 63911), (395, 54203), (809, 26465), (4045, 5293)]