21044144

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{119569}}^1$

素因数の和:119588

約数の個数: 20

約数和(自身を含む): 44480040

約数和(自身を除く): 23435896

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 119569, 239138, 478276, 956552, 1315259, 1913104, 2630518, 5261036, 10522072, 21044144]

約数ペア:

[(1, 21044144), (2, 10522072), (4, 5261036), (8, 2630518), (11, 1913104), (16, 1315259), (22, 956552), (44, 478276), (88, 239138), (176, 119569)]