21968206

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{6653}}^1$

素因数の和:6795

約数の個数: 16

約数和(自身を含む): 35771904

約数和(自身を除く): 13803698

約数列:

[1, 2, 13, 26, 127, 254, 1651, 3302, 6653, 13306, 86489, 172978, 844931, 1689862, 10984103, 21968206]

約数ペア:

[(1, 21968206), (2, 10984103), (13, 1689862), (26, 844931), (127, 172978), (254, 86489), (1651, 13306), (3302, 6653)]