21032979

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{8731}}^1$

素因数の和:8818

約数の個数: 16

約数和(自身を含む): 31016064

約数和(自身を除く): 9983085

約数列:

[1, 3, 11, 33, 73, 219, 803, 2409, 8731, 26193, 96041, 288123, 637363, 1912089, 7010993, 21032979]

約数ペア:

[(1, 21032979), (3, 7010993), (11, 1912089), (33, 637363), (73, 288123), (219, 96041), (803, 26193), (2409, 8731)]