21595964

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{13397}}^1$

素因数の和:13445

約数の個数: 24

約数和(自身を含む): 42016128

約数和(自身を除く): 20420164

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 806, 1612, 13397, 26794, 53588, 174161, 348322, 415307, 696644, 830614, 1661228, 5398991, 10797982, 21595964]

約数ペア:

[(1, 21595964), (2, 10797982), (4, 5398991), (13, 1661228), (26, 830614), (31, 696644), (52, 415307), (62, 348322), (124, 174161), (403, 53588), (806, 26794), (1612, 13397)]