21119037

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{349}}^1\times {\mathrm{877}}^1$

素因数の和:1252

約数の個数: 16

約数和(自身を含む): 29500800

約数和(自身を除く): 8381763

約数列:

[1, 3, 23, 69, 349, 877, 1047, 2631, 8027, 20171, 24081, 60513, 306073, 918219, 7039679, 21119037]

約数ペア:

[(1, 21119037), (3, 7039679), (23, 918219), (69, 306073), (349, 60513), (877, 24081), (1047, 20171), (2631, 8027)]