21899960

素因数分解:

$2^3\times 5^1\times {\mathrm{547499}}^1$

素因数の和:547510

約数の個数: 16

約数和(自身を含む): 49275000

約数和(自身を除く): 27375040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 547499, 1094998, 2189996, 2737495, 4379992, 5474990, 10949980, 21899960]

約数ペア:

[(1, 21899960), (2, 10949980), (4, 5474990), (5, 4379992), (8, 2737495), (10, 2189996), (20, 1094998), (40, 547499)]