21005890207

素因数分解:

${\mathrm{479}}^1\times {\mathrm{3823}}^1\times {\mathrm{11471}}^1$

素因数の和:15773

約数の個数: 8

約数和(自身を含む): 21057085440

約数和(自身を除く): 51195233

約数列:

[1, 479, 3823, 11471, 1831217, 5494609, 43853633, 21005890207]

約数ペア:

[(1, 21005890207), (479, 43853633), (3823, 5494609), (11471, 1831217)]