21481592

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{244109}}^1$

素因数の和:244126

約数の個数: 16

約数和(自身を含む): 43939800

約数和(自身を除く): 22458208

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 244109, 488218, 976436, 1952872, 2685199, 5370398, 10740796, 21481592]

約数ペア:

[(1, 21481592), (2, 10740796), (4, 5370398), (8, 2685199), (11, 1952872), (22, 976436), (44, 488218), (88, 244109)]