21878045255

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{32369}}^1\times {\mathrm{12289}}^1$

素因数の和:44674

約数の個数: 16

約数和(自身を含む): 28643565600

約数和(自身を除く): 6765520345

約数列:

[1, 5, 11, 55, 12289, 32369, 61445, 135179, 161845, 356059, 675895, 1780295, 397782641, 1988913205, 4375609051, 21878045255]

約数ペア:

[(1, 21878045255), (5, 4375609051), (11, 1988913205), (55, 397782641), (12289, 1780295), (32369, 675895), (61445, 356059), (135179, 161845)]