21383417

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{1013}}^1$

素因数の和:1144

約数の個数: 16

約数和(自身を含む): 24822720

約数和(自身を除く): 3439303

約数列:

[1, 11, 19, 101, 209, 1013, 1111, 1919, 11143, 19247, 21109, 102313, 211717, 1125443, 1943947, 21383417]

約数ペア:

[(1, 21383417), (11, 1943947), (19, 1125443), (101, 211717), (209, 102313), (1013, 21109), (1111, 19247), (1919, 11143)]