21662945

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{6163}}^1$

素因数の和:6224

約数の個数: 16

約数和(自身を含む): 28107840

約数和(自身を除く): 6444895

約数列:

[1, 5, 19, 37, 95, 185, 703, 3515, 6163, 30815, 117097, 228031, 585485, 1140155, 4332589, 21662945]

約数ペア:

[(1, 21662945), (5, 4332589), (19, 1140155), (37, 585485), (95, 228031), (185, 117097), (703, 30815), (3515, 6163)]