21851002174

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{8098963}}^1$

素因数の和:8099055

約数の個数: 16

約数和(自身を含む): 34987524480

約数和(自身を除く): 13136522306

約数列:

[1, 2, 19, 38, 71, 142, 1349, 2698, 8098963, 16197926, 153880297, 307760594, 575026373, 1150052746, 10925501087, 21851002174]

約数ペア:

[(1, 21851002174), (2, 10925501087), (19, 1150052746), (38, 575026373), (71, 307760594), (142, 153880297), (1349, 16197926), (2698, 8098963)]