21081643

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{293}}^1$

素因数の和:546

約数の個数: 16

約数和(自身を含む): 23933952

約数和(自身を除く): 2852309

約数列:

[1, 11, 31, 211, 293, 341, 2321, 3223, 6541, 9083, 61823, 71951, 99913, 680053, 1916513, 21081643]

約数ペア:

[(1, 21081643), (11, 1916513), (31, 680053), (211, 99913), (293, 71951), (341, 61823), (2321, 9083), (3223, 6541)]