21986568

素因数分解:

$2^3\times 3^2\times {\mathrm{305369}}^1$

素因数の和:305381

約数の個数: 24

約数和(自身を含む): 59547150

約数和(自身を除く): 37560582

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 305369, 610738, 916107, 1221476, 1832214, 2442952, 2748321, 3664428, 5496642, 7328856, 10993284, 21986568]

約数ペア:

[(1, 21986568), (2, 10993284), (3, 7328856), (4, 5496642), (6, 3664428), (8, 2748321), (9, 2442952), (12, 1832214), (18, 1221476), (24, 916107), (36, 610738), (72, 305369)]