21167704251

素因数分解:

$3^2\times {\mathrm{499}}^1\times {\mathrm{821}}^1\times {\mathrm{5741}}^1$

素因数の和:7067

約数の個数: 24

約数和(自身を含む): 30679506000

約数和(自身を除く): 9511801749

約数列:

[1, 3, 9, 499, 821, 1497, 2463, 4491, 5741, 7389, 17223, 51669, 409679, 1229037, 2864759, 3687111, 4713361, 8594277, 14140083, 25782831, 42420249, 2351967139, 7055901417, 21167704251]

約数ペア:

[(1, 21167704251), (3, 7055901417), (9, 2351967139), (499, 42420249), (821, 25782831), (1497, 14140083), (2463, 8594277), (4491, 4713361), (5741, 3687111), (7389, 2864759), (17223, 1229037), (51669, 409679)]