21355782

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{508471}}^1$

素因数の和:508483

約数の個数: 16

約数和(自身を含む): 48813312

約数和(自身を除く): 27457530

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 508471, 1016942, 1525413, 3050826, 3559297, 7118594, 10677891, 21355782]

約数ペア:

[(1, 21355782), (2, 10677891), (3, 7118594), (6, 3559297), (7, 3050826), (14, 1525413), (21, 1016942), (42, 508471)]