21010979

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{439}}^1$

素因数の和:698

約数の個数: 16

約数和(自身を含む): 24288000

約数和(自身を除く): 3277021

約数列:

[1, 11, 19, 209, 229, 439, 2519, 4351, 4829, 8341, 47861, 91751, 100531, 1105841, 1910089, 21010979]

約数ペア:

[(1, 21010979), (11, 1910089), (19, 1105841), (209, 100531), (229, 91751), (439, 47861), (2519, 8341), (4351, 4829)]