21855251

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{1601}}^1$

素因数の和:1702

約数の個数: 16

約数和(自身を含む): 25606368

約数和(自身を除く): 3751117

約数列:

[1, 11, 17, 73, 187, 803, 1241, 1601, 13651, 17611, 27217, 116873, 299387, 1285603, 1986841, 21855251]

約数ペア:

[(1, 21855251), (11, 1986841), (17, 1285603), (73, 299387), (187, 116873), (803, 27217), (1241, 17611), (1601, 13651)]