21000939945

素因数分解:

$3^1\times 5^1\times {\mathrm{1423}}^1\times {\mathrm{983881}}^1$

素因数の和:985312

約数の個数: 16

約数和(自身を含む): 33625151232

約数和(自身を除く): 12624211287

約数列:

[1, 3, 5, 15, 1423, 4269, 7115, 21345, 983881, 2951643, 4919405, 14758215, 1400062663, 4200187989, 7000313315, 21000939945]

約数ペア:

[(1, 21000939945), (3, 7000313315), (5, 4200187989), (15, 1400062663), (1423, 14758215), (4269, 4919405), (7115, 2951643), (21345, 983881)]