21746164

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{6961}}^1$

素因数の和:7047

約数の個数: 24

約数和(自身を含む): 42106176

約数和(自身を除く): 20360012

約数列:

[1, 2, 4, 11, 22, 44, 71, 142, 284, 781, 1562, 3124, 6961, 13922, 27844, 76571, 153142, 306284, 494231, 988462, 1976924, 5436541, 10873082, 21746164]

約数ペア:

[(1, 21746164), (2, 10873082), (4, 5436541), (11, 1976924), (22, 988462), (44, 494231), (71, 306284), (142, 153142), (284, 76571), (781, 27844), (1562, 13922), (3124, 6961)]