21554996

素因数分解:

$2^2\times {\mathrm{809}}^1\times {\mathrm{6661}}^1$

素因数の和:7474

約数の個数: 12

約数和(自身を含む): 37773540

約数和(自身を除く): 16218544

約数列:

[1, 2, 4, 809, 1618, 3236, 6661, 13322, 26644, 5388749, 10777498, 21554996]

約数ペア:

[(1, 21554996), (2, 10777498), (4, 5388749), (809, 26644), (1618, 13322), (3236, 6661)]