21820372

素因数分解:

$2^2\times 7^1\times {\mathrm{599}}^1\times {\mathrm{1301}}^1$

素因数の和:1911

約数の個数: 24

約数和(自身を含む): 43747200

約数和(自身を除く): 21926828

約数列:

[1, 2, 4, 7, 14, 28, 599, 1198, 1301, 2396, 2602, 4193, 5204, 8386, 9107, 16772, 18214, 36428, 779299, 1558598, 3117196, 5455093, 10910186, 21820372]

約数ペア:

[(1, 21820372), (2, 10910186), (4, 5455093), (7, 3117196), (14, 1558598), (28, 779299), (599, 36428), (1198, 18214), (1301, 16772), (2396, 9107), (2602, 8386), (4193, 5204)]