21055408

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{119633}}^1$

素因数の和:119652

約数の個数: 20

約数和(自身を含む): 44503848

約数和(自身を除く): 23448440

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 119633, 239266, 478532, 957064, 1315963, 1914128, 2631926, 5263852, 10527704, 21055408]

約数ペア:

[(1, 21055408), (2, 10527704), (4, 5263852), (8, 2631926), (11, 1914128), (16, 1315963), (22, 957064), (44, 478532), (88, 239266), (176, 119633)]