21868360

素因数分解:

$2^3\times 5^1\times {\mathrm{546709}}^1$

素因数の和:546720

約数の個数: 16

約数和(自身を含む): 49203900

約数和(自身を除く): 27335540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 546709, 1093418, 2186836, 2733545, 4373672, 5467090, 10934180, 21868360]

約数ペア:

[(1, 21868360), (2, 10934180), (4, 5467090), (5, 4373672), (8, 2733545), (10, 2186836), (20, 1093418), (40, 546709)]