21504076

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{488729}}^1$

素因数の和:488744

約数の個数: 12

約数和(自身を含む): 41053320

約数和(自身を除く): 19549244

約数列:

[1, 2, 4, 11, 22, 44, 488729, 977458, 1954916, 5376019, 10752038, 21504076]

約数ペア:

[(1, 21504076), (2, 10752038), (4, 5376019), (11, 1954916), (22, 977458), (44, 488729)]