21346369

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{607}}^1$

素因数の和:780

約数の個数: 16

約数和(自身を含む): 24514560

約数和(自身を除く): 3168191

約数列:

[1, 11, 23, 139, 253, 607, 1529, 3197, 6677, 13961, 35167, 84373, 153571, 928103, 1940579, 21346369]

約数ペア:

[(1, 21346369), (11, 1940579), (23, 928103), (139, 153571), (253, 84373), (607, 35167), (1529, 13961), (3197, 6677)]