21884278

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{10141}}^1$

素因数の和:10239

約数の個数: 16

約数和(自身を含む): 35780976

約数和(自身を除く): 13896698

約数列:

[1, 2, 13, 26, 83, 166, 1079, 2158, 10141, 20282, 131833, 263666, 841703, 1683406, 10942139, 21884278]

約数ペア:

[(1, 21884278), (2, 10942139), (13, 1683406), (26, 841703), (83, 263666), (166, 131833), (1079, 20282), (2158, 10141)]