21299348

素因数分解:

$2^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{9629}}^1$

素因数の和:9719

約数の個数: 24

約数和(自身を含む): 43142400

約数和(自身を除く): 21843052

約数列:

[1, 2, 4, 7, 14, 28, 79, 158, 316, 553, 1106, 2212, 9629, 19258, 38516, 67403, 134806, 269612, 760691, 1521382, 3042764, 5324837, 10649674, 21299348]

約数ペア:

[(1, 21299348), (2, 10649674), (4, 5324837), (7, 3042764), (14, 1521382), (28, 760691), (79, 269612), (158, 134806), (316, 67403), (553, 38516), (1106, 19258), (2212, 9629)]