21311048

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{242171}}^1$

素因数の和:242188

約数の個数: 16

約数和(自身を含む): 43590960

約数和(自身を除く): 22279912

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 242171, 484342, 968684, 1937368, 2663881, 5327762, 10655524, 21311048]

約数ペア:

[(1, 21311048), (2, 10655524), (4, 5327762), (8, 2663881), (11, 1937368), (22, 968684), (44, 484342), (88, 242171)]