21849436

素因数分解:

$2^2\times 7^1\times {\mathrm{281}}^1\times {\mathrm{2777}}^1$

素因数の和:3069

約数の個数: 24

約数和(自身を含む): 43870176

約数和(自身を除く): 22020740

約数列:

[1, 2, 4, 7, 14, 28, 281, 562, 1124, 1967, 2777, 3934, 5554, 7868, 11108, 19439, 38878, 77756, 780337, 1560674, 3121348, 5462359, 10924718, 21849436]

約数ペア:

[(1, 21849436), (2, 10924718), (4, 5462359), (7, 3121348), (14, 1560674), (28, 780337), (281, 77756), (562, 38878), (1124, 19439), (1967, 11108), (2777, 7868), (3934, 5554)]