21416556

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{254959}}^1$

素因数の和:254973

約数の個数: 24

約数和(自身を含む): 57111040

約数和(自身を除く): 35694484

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 254959, 509918, 764877, 1019836, 1529754, 1784713, 3059508, 3569426, 5354139, 7138852, 10708278, 21416556]

約数ペア:

[(1, 21416556), (2, 10708278), (3, 7138852), (4, 5354139), (6, 3569426), (7, 3059508), (12, 1784713), (14, 1529754), (21, 1019836), (28, 764877), (42, 509918), (84, 254959)]