21437556

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{255209}}^1$

素因数の和:255223

約数の個数: 24

約数和(自身を含む): 57167040

約数和(自身を除く): 35729484

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 255209, 510418, 765627, 1020836, 1531254, 1786463, 3062508, 3572926, 5359389, 7145852, 10718778, 21437556]

約数ペア:

[(1, 21437556), (2, 10718778), (3, 7145852), (4, 5359389), (6, 3572926), (7, 3062508), (12, 1786463), (14, 1531254), (21, 1020836), (28, 765627), (42, 510418), (84, 255209)]