2021201

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1$

素因数の和:213

約数の個数: 24

約数和(自身を含む): 2681280

約数和(自身を除く): 660079

約数列:

[1, 7, 13, 19, 49, 91, 133, 167, 247, 637, 931, 1169, 1729, 2171, 3173, 8183, 12103, 15197, 22211, 41249, 106379, 155477, 288743, 2021201]

約数ペア:

[(1, 2021201), (7, 288743), (13, 155477), (19, 106379), (49, 41249), (91, 22211), (133, 15197), (167, 12103), (247, 8183), (637, 3173), (931, 2171), (1169, 1729)]