21800647

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{1597}}^1$

素因数の和:1698

約数の個数: 16

約数和(自身を含む): 25542432

約数和(自身を除く): 3741785

約数列:

[1, 11, 17, 73, 187, 803, 1241, 1597, 13651, 17567, 27149, 116581, 298639, 1282391, 1981877, 21800647]

約数ペア:

[(1, 21800647), (11, 1981877), (17, 1282391), (73, 298639), (187, 116581), (803, 27149), (1241, 17567), (1597, 13651)]