21813484

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{70823}}^1$

素因数の和:70845

約数の個数: 24

約数和(自身を含む): 47593728

約数和(自身を除く): 25780244

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 70823, 141646, 283292, 495761, 779053, 991522, 1558106, 1983044, 3116212, 5453371, 10906742, 21813484]

約数ペア:

[(1, 21813484), (2, 10906742), (4, 5453371), (7, 3116212), (11, 1983044), (14, 1558106), (22, 991522), (28, 779053), (44, 495761), (77, 283292), (154, 141646), (308, 70823)]