21873208

素因数分解:

$2^3\times 7^2\times {\mathrm{55799}}^1$

素因数の和:55819

約数の個数: 24

約数和(自身を含む): 47709000

約数和(自身を除く): 25835792

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 55799, 111598, 223196, 390593, 446392, 781186, 1562372, 2734151, 3124744, 5468302, 10936604, 21873208]

約数ペア:

[(1, 21873208), (2, 10936604), (4, 5468302), (7, 3124744), (8, 2734151), (14, 1562372), (28, 781186), (49, 446392), (56, 390593), (98, 223196), (196, 111598), (392, 55799)]