21767691

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{443}}^1\times {\mathrm{1489}}^1$

素因数の和:1946

約数の個数: 16

約数和(自身を含む): 31754880

約数和(自身を除く): 9987189

約数列:

[1, 3, 11, 33, 443, 1329, 1489, 4467, 4873, 14619, 16379, 49137, 659627, 1978881, 7255897, 21767691]

約数ペア:

[(1, 21767691), (3, 7255897), (11, 1978881), (33, 659627), (443, 49137), (1329, 16379), (1489, 14619), (4467, 4873)]