21452548

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{613}}^1\times {\mathrm{673}}^1$

素因数の和:1303

約数の個数: 24

約数和(自身を含む): 40555928

約数和(自身を除く): 19103380

約数列:

[1, 2, 4, 13, 26, 52, 613, 673, 1226, 1346, 2452, 2692, 7969, 8749, 15938, 17498, 31876, 34996, 412549, 825098, 1650196, 5363137, 10726274, 21452548]

約数ペア:

[(1, 21452548), (2, 10726274), (4, 5363137), (13, 1650196), (26, 825098), (52, 412549), (613, 34996), (673, 31876), (1226, 17498), (1346, 15938), (2452, 8749), (2692, 7969)]