21232976

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{18691}}^1$

素因数の和:18770

約数の個数: 20

約数和(自身を含む): 41720544

約数和(自身を除く): 20487568

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 18691, 37382, 74764, 149528, 299056, 1327061, 2654122, 5308244, 10616488, 21232976]

約数ペア:

[(1, 21232976), (2, 10616488), (4, 5308244), (8, 2654122), (16, 1327061), (71, 299056), (142, 149528), (284, 74764), (568, 37382), (1136, 18691)]