21343696

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{121271}}^1$

素因数の和:121290

約数の個数: 20

約数和(自身を含む): 45113184

約数和(自身を除く): 23769488

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 121271, 242542, 485084, 970168, 1333981, 1940336, 2667962, 5335924, 10671848, 21343696]

約数ペア:

[(1, 21343696), (2, 10671848), (4, 5335924), (8, 2667962), (11, 1940336), (16, 1333981), (22, 970168), (44, 485084), (88, 242542), (176, 121271)]