21723403

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2377}}^1$

素因数の和:2446

約数の個数: 16

約数和(自身を含む): 25301920

約数和(自身を除く): 3578517

約数列:

[1, 13, 19, 37, 247, 481, 703, 2377, 9139, 30901, 45163, 87949, 587119, 1143337, 1671031, 21723403]

約数ペア:

[(1, 21723403), (13, 1671031), (19, 1143337), (37, 587119), (247, 87949), (481, 45163), (703, 30901), (2377, 9139)]