21686158

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{211}}^1$

素因数の和:352

約数の個数: 32

約数和(自身を含む): 36328320

約数和(自身を除く): 14642162

約数列:

[1, 2, 13, 26, 59, 67, 118, 134, 211, 422, 767, 871, 1534, 1742, 2743, 3953, 5486, 7906, 12449, 14137, 24898, 28274, 51389, 102778, 161837, 183781, 323674, 367562, 834083, 1668166, 10843079, 21686158]

約数ペア:

[(1, 21686158), (2, 10843079), (13, 1668166), (26, 834083), (59, 367562), (67, 323674), (118, 183781), (134, 161837), (211, 102778), (422, 51389), (767, 28274), (871, 24898), (1534, 14137), (1742, 12449), (2743, 7906), (3953, 5486)]