21937115

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^2$

素因数の和:219

約数の個数: 24

約数和(自身を含む): 28823760

約数和(自身を除く): 6886645

約数列:

[1, 5, 19, 37, 79, 95, 185, 395, 703, 1501, 2923, 3515, 6241, 7505, 14615, 31205, 55537, 118579, 230917, 277685, 592895, 1154585, 4387423, 21937115]

約数ペア:

[(1, 21937115), (5, 4387423), (19, 1154585), (37, 592895), (79, 277685), (95, 230917), (185, 118579), (395, 55537), (703, 31205), (1501, 14615), (2923, 7505), (3515, 6241)]