21705266

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{8731}}^1$

素因数の和:8857

約数の個数: 16

約数和(自身を含む): 35836128

約数和(自身を除く): 14130862

約数列:

[1, 2, 11, 22, 113, 226, 1243, 2486, 8731, 17462, 96041, 192082, 986603, 1973206, 10852633, 21705266]

約数ペア:

[(1, 21705266), (2, 10852633), (11, 1973206), (22, 986603), (113, 192082), (226, 96041), (1243, 17462), (2486, 8731)]