21878154

素因数分解:

$2^1\times 3^3\times {\mathrm{379}}^1\times {\mathrm{1069}}^1$

素因数の和:1459

約数の個数: 32

約数和(自身を含む): 48792000

約数和(自身を除く): 26913846

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 379, 758, 1069, 1137, 2138, 2274, 3207, 3411, 6414, 6822, 9621, 10233, 19242, 20466, 28863, 57726, 405151, 810302, 1215453, 2430906, 3646359, 7292718, 10939077, 21878154]

約数ペア:

[(1, 21878154), (2, 10939077), (3, 7292718), (6, 3646359), (9, 2430906), (18, 1215453), (27, 810302), (54, 405151), (379, 57726), (758, 28863), (1069, 20466), (1137, 19242), (2138, 10233), (2274, 9621), (3207, 6822), (3411, 6414)]