21384954

素因数分解:

$2^1\times 3^2\times {\mathrm{277}}^1\times {\mathrm{4289}}^1$

素因数の和:4574

約数の個数: 24

約数和(自身を含む): 46512180

約数和(自身を除く): 25127226

約数列:

[1, 2, 3, 6, 9, 18, 277, 554, 831, 1662, 2493, 4289, 4986, 8578, 12867, 25734, 38601, 77202, 1188053, 2376106, 3564159, 7128318, 10692477, 21384954]

約数ペア:

[(1, 21384954), (2, 10692477), (3, 7128318), (6, 3564159), (9, 2376106), (18, 1188053), (277, 77202), (554, 38601), (831, 25734), (1662, 12867), (2493, 8578), (4289, 4986)]