21702076

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{44839}}^1$

素因数の和:44865

約数の個数: 18

約数和(自身を含む): 41746040

約数和(自身を除く): 20043964

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 44839, 89678, 179356, 493229, 986458, 1972916, 5425519, 10851038, 21702076]

約数ペア:

[(1, 21702076), (2, 10851038), (4, 5425519), (11, 1972916), (22, 986458), (44, 493229), (121, 179356), (242, 89678), (484, 44839)]