21706192

素因数分解:

$2^4\times {\mathrm{157}}^1\times {\mathrm{8641}}^1$

素因数の和:8806

約数の個数: 20

約数和(自身を含む): 42328516

約数和(自身を除く): 20622324

約数列:

[1, 2, 4, 8, 16, 157, 314, 628, 1256, 2512, 8641, 17282, 34564, 69128, 138256, 1356637, 2713274, 5426548, 10853096, 21706192]

約数ペア:

[(1, 21706192), (2, 10853096), (4, 5426548), (8, 2713274), (16, 1356637), (157, 138256), (314, 69128), (628, 34564), (1256, 17282), (2512, 8641)]