21333508

素因数分解:

$2^2\times 7^1\times {\mathrm{263}}^1\times {\mathrm{2897}}^1$

素因数の和:3171

約数の個数: 24

約数和(自身を含む): 42844032

約数和(自身を除く): 21510524

約数列:

[1, 2, 4, 7, 14, 28, 263, 526, 1052, 1841, 2897, 3682, 5794, 7364, 11588, 20279, 40558, 81116, 761911, 1523822, 3047644, 5333377, 10666754, 21333508]

約数ペア:

[(1, 21333508), (2, 10666754), (4, 5333377), (7, 3047644), (14, 1523822), (28, 761911), (263, 81116), (526, 40558), (1052, 20279), (1841, 11588), (2897, 7364), (3682, 5794)]