21643166

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{9337}}^1$

素因数の和:9419

約数の個数: 16

約数和(自身を含む): 34737360

約数和(自身を除く): 13094194

約数列:

[1, 2, 19, 38, 61, 122, 1159, 2318, 9337, 18674, 177403, 354806, 569557, 1139114, 10821583, 21643166]

約数ペア:

[(1, 21643166), (2, 10821583), (19, 1139114), (38, 569557), (61, 354806), (122, 177403), (1159, 18674), (2318, 9337)]