21738189

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{38749}}^1$

素因数の和:38780

約数の個数: 16

約数和(自身を含む): 33480000

約数和(自身を除く): 11741811

約数列:

[1, 3, 11, 17, 33, 51, 187, 561, 38749, 116247, 426239, 658733, 1278717, 1976199, 7246063, 21738189]

約数ペア:

[(1, 21738189), (3, 7246063), (11, 1976199), (17, 1278717), (33, 658733), (51, 426239), (187, 116247), (561, 38749)]