20211594068

素因数分解:

$2^2\times {\mathrm{641}}^1\times {\mathrm{7882837}}^1$

素因数の和:7883482

約数の個数: 12

約数和(自身を含む): 35425473972

約数和(自身を除く): 15213879904

約数列:

[1, 2, 4, 641, 1282, 2564, 7882837, 15765674, 31531348, 5052898517, 10105797034, 20211594068]

約数ペア:

[(1, 20211594068), (2, 10105797034), (4, 5052898517), (641, 31531348), (1282, 15765674), (2564, 7882837)]