21716266

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{75931}}^1$

素因数の和:75957

約数の個数: 16

約数和(自身を含む): 38269728

約数和(自身を除く): 16553462

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 75931, 151862, 835241, 987103, 1670482, 1974206, 10858133, 21716266]

約数ペア:

[(1, 21716266), (2, 10858133), (11, 1974206), (13, 1670482), (22, 987103), (26, 835241), (143, 151862), (286, 75931)]