21248821

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{5351}}^1$

素因数の和:5400

約数の個数: 12

約数和(自身を含む): 24469344

約数和(自身を除く): 3220523

約数列:

[1, 11, 19, 209, 361, 3971, 5351, 58861, 101669, 1118359, 1931711, 21248821]

約数ペア:

[(1, 21248821), (11, 1931711), (19, 1118359), (209, 101669), (361, 58861), (3971, 5351)]