21103640454

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{270559493}}^1$

素因数の和:270559511

約数の個数: 16

約数和(自身を含む): 45453994992

約数和(自身を除く): 24350354538

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 270559493, 541118986, 811678479, 1623356958, 3517273409, 7034546818, 10551820227, 21103640454]

約数ペア:

[(1, 21103640454), (2, 10551820227), (3, 7034546818), (6, 3517273409), (13, 1623356958), (26, 811678479), (39, 541118986), (78, 270559493)]