21976141

素因数分解:

${\mathrm{11}}^4\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:142

約数の個数: 20

約数和(自身を含む): 25768000

約数和(自身を除く): 3791859

約数列:

[1, 11, 19, 79, 121, 209, 869, 1331, 1501, 2299, 9559, 14641, 16511, 25289, 105149, 181621, 278179, 1156639, 1997831, 21976141]

約数ペア:

[(1, 21976141), (11, 1997831), (19, 1156639), (79, 278179), (121, 181621), (209, 105149), (869, 25289), (1331, 16511), (1501, 14641), (2299, 9559)]