21517068

素因数分解:

$2^2\times 3^1\times {\mathrm{257}}^1\times {\mathrm{6977}}^1$

素因数の和:7241

約数の個数: 24

約数和(自身を含む): 50409072

約数和(自身を除く): 28892004

約数列:

[1, 2, 3, 4, 6, 12, 257, 514, 771, 1028, 1542, 3084, 6977, 13954, 20931, 27908, 41862, 83724, 1793089, 3586178, 5379267, 7172356, 10758534, 21517068]

約数ペア:

[(1, 21517068), (2, 10758534), (3, 7172356), (4, 5379267), (6, 3586178), (12, 1793089), (257, 83724), (514, 41862), (771, 27908), (1028, 20931), (1542, 13954), (3084, 6977)]