21086085

素因数分解:

$3^1\times 5^1\times {\mathrm{601}}^1\times {\mathrm{2339}}^1$

素因数の和:2948

約数の個数: 16

約数和(自身を含む): 33808320

約数和(自身を除く): 12722235

約数列:

[1, 3, 5, 15, 601, 1803, 2339, 3005, 7017, 9015, 11695, 35085, 1405739, 4217217, 7028695, 21086085]

約数ペア:

[(1, 21086085), (3, 7028695), (5, 4217217), (15, 1405739), (601, 35085), (1803, 11695), (2339, 9015), (3005, 7017)]