21091048

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{239671}}^1$

素因数の和:239688

約数の個数: 16

約数和(自身を含む): 43140960

約数和(自身を除く): 22049912

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 239671, 479342, 958684, 1917368, 2636381, 5272762, 10545524, 21091048]

約数ペア:

[(1, 21091048), (2, 10545524), (4, 5272762), (8, 2636381), (11, 1917368), (22, 958684), (44, 479342), (88, 239671)]