21853816

素因数分解:

$2^3\times {\mathrm{1553}}^1\times {\mathrm{1759}}^1$

素因数の和:3318

約数の個数: 16

約数和(自身を含む): 41025600

約数和(自身を除く): 19171784

約数列:

[1, 2, 4, 8, 1553, 1759, 3106, 3518, 6212, 7036, 12424, 14072, 2731727, 5463454, 10926908, 21853816]

約数ペア:

[(1, 21853816), (2, 10926908), (4, 5463454), (8, 2731727), (1553, 14072), (1759, 12424), (3106, 7036), (3518, 6212)]