21496087

素因数分解:

${\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{317}}^1$

素因数の和:462

約数の個数: 16

約数和(自身を含む): 23506560

約数和(自身を除く): 2010473

約数列:

[1, 19, 43, 83, 317, 817, 1577, 3569, 6023, 13631, 26311, 67811, 258989, 499909, 1131373, 21496087]

約数ペア:

[(1, 21496087), (19, 1131373), (43, 499909), (83, 258989), (317, 67811), (817, 26311), (1577, 13631), (3569, 6023)]