21509508

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{77933}}^1$

素因数の和:77963

約数の個数: 24

約数和(自身を含む): 52371648

約数和(自身を除く): 30862140

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 276, 77933, 155866, 233799, 311732, 467598, 935196, 1792459, 3584918, 5377377, 7169836, 10754754, 21509508]

約数ペア:

[(1, 21509508), (2, 10754754), (3, 7169836), (4, 5377377), (6, 3584918), (12, 1792459), (23, 935196), (46, 467598), (69, 311732), (92, 233799), (138, 155866), (276, 77933)]