21330584

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{242393}}^1$

素因数の和:242410

約数の個数: 16

約数和(自身を含む): 43630920

約数和(自身を除く): 22300336

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 242393, 484786, 969572, 1939144, 2666323, 5332646, 10665292, 21330584]

約数ペア:

[(1, 21330584), (2, 10665292), (4, 5332646), (8, 2666323), (11, 1939144), (22, 969572), (44, 484786), (88, 242393)]