21255256

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{241537}}^1$

素因数の和:241554

約数の個数: 16

約数和(自身を含む): 43476840

約数和(自身を除く): 22221584

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 241537, 483074, 966148, 1932296, 2656907, 5313814, 10627628, 21255256]

約数ペア:

[(1, 21255256), (2, 10627628), (4, 5313814), (8, 2656907), (11, 1932296), (22, 966148), (44, 483074), (88, 241537)]