21878045306

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{1952351}}^1$

素因数の和:1952797

約数の個数: 16

約数和(自身を含む): 35423474688

約数和(自身を除く): 13545429382

約数列:

[1, 2, 13, 26, 431, 862, 5603, 11206, 1952351, 3904702, 25380563, 50761126, 841463281, 1682926562, 10939022653, 21878045306]

約数ペア:

[(1, 21878045306), (2, 10939022653), (13, 1682926562), (26, 841463281), (431, 50761126), (862, 25380563), (5603, 3904702), (11206, 1952351)]