21443152

素因数分解:

$2^4\times {\mathrm{509}}^1\times {\mathrm{2633}}^1$

素因数の和:3150

約数の個数: 20

約数和(自身を含む): 41643540

約数和(自身を除く): 20200388

約数列:

[1, 2, 4, 8, 16, 509, 1018, 2036, 2633, 4072, 5266, 8144, 10532, 21064, 42128, 1340197, 2680394, 5360788, 10721576, 21443152]

約数ペア:

[(1, 21443152), (2, 10721576), (4, 5360788), (8, 2680394), (16, 1340197), (509, 42128), (1018, 21064), (2036, 10532), (2633, 8144), (4072, 5266)]