21830186

素因数分解:

$2^1\times 7^2\times {\mathrm{337}}^1\times {\mathrm{661}}^1$

素因数の和:1014

約数の個数: 24

約数和(自身を含む): 38262276

約数和(自身を除く): 16432090

約数列:

[1, 2, 7, 14, 49, 98, 337, 661, 674, 1322, 2359, 4627, 4718, 9254, 16513, 32389, 33026, 64778, 222757, 445514, 1559299, 3118598, 10915093, 21830186]

約数ペア:

[(1, 21830186), (2, 10915093), (7, 3118598), (14, 1559299), (49, 445514), (98, 222757), (337, 64778), (661, 33026), (674, 32389), (1322, 16513), (2359, 9254), (4627, 4718)]