21567984

素因数分解:

$2^4\times 3^1\times {\mathrm{449333}}^1$

素因数の和:449344

約数の個数: 20

約数和(自身を含む): 55717416

約数和(自身を除く): 34149432

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 449333, 898666, 1347999, 1797332, 2695998, 3594664, 5391996, 7189328, 10783992, 21567984]

約数ペア:

[(1, 21567984), (2, 10783992), (3, 7189328), (4, 5391996), (6, 3594664), (8, 2695998), (12, 1797332), (16, 1347999), (24, 898666), (48, 449333)]