21646427

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{1277}}^1$

素因数の和:1378

約数の個数: 16

約数和(自身を含む): 25028352

約数和(自身を除く): 3381925

約数列:

[1, 11, 23, 67, 253, 737, 1277, 1541, 14047, 16951, 29371, 85559, 323081, 941149, 1967857, 21646427]

約数ペア:

[(1, 21646427), (11, 1967857), (23, 941149), (67, 323081), (253, 85559), (737, 29371), (1277, 16951), (1541, 14047)]