21280638782

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{6689}}^1\times {\mathrm{122363}}^1$

素因数の和:129067

約数の個数: 16

約数和(自身を含む): 34381836720

約数和(自身を除く): 13101197938

約数列:

[1, 2, 13, 26, 6689, 13378, 86957, 122363, 173914, 244726, 1590719, 3181438, 818486107, 1636972214, 10640319391, 21280638782]

約数ペア:

[(1, 21280638782), (2, 10640319391), (13, 1636972214), (26, 818486107), (6689, 3181438), (13378, 1590719), (86957, 244726), (122363, 173914)]