21042472

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{239119}}^1$

素因数の和:239136

約数の個数: 16

約数和(自身を含む): 43041600

約数和(自身を除く): 21999128

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 239119, 478238, 956476, 1912952, 2630309, 5260618, 10521236, 21042472]

約数ペア:

[(1, 21042472), (2, 10521236), (4, 5260618), (8, 2630309), (11, 1912952), (22, 956476), (44, 478238), (88, 239119)]