21326569

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{1523}}^1$

素因数の和:1620

約数の個数: 16

約数和(自身を含む): 24871680

約数和(自身を除く): 3545111

約数列:

[1, 11, 19, 67, 209, 737, 1273, 1523, 14003, 16753, 28937, 102041, 318307, 1122451, 1938779, 21326569]

約数ペア:

[(1, 21326569), (11, 1938779), (19, 1122451), (67, 318307), (209, 102041), (737, 28937), (1273, 16753), (1523, 14003)]