21554488

素因数分解:

$2^3\times {\mathrm{379}}^1\times {\mathrm{7109}}^1$

素因数の和:7494

約数の個数: 16

約数和(自身を含む): 40527000

約数和(自身を除く): 18972512

約数列:

[1, 2, 4, 8, 379, 758, 1516, 3032, 7109, 14218, 28436, 56872, 2694311, 5388622, 10777244, 21554488]

約数ペア:

[(1, 21554488), (2, 10777244), (4, 5388622), (8, 2694311), (379, 56872), (758, 28436), (1516, 14218), (3032, 7109)]