21066033

素因数分解:

$3^1\times {\mathrm{89}}^1\times {\mathrm{257}}^1\times {\mathrm{307}}^1$

素因数の和:656

約数の個数: 16

約数和(自身を含む): 28607040

約数和(自身を除く): 7541007

約数列:

[1, 3, 89, 257, 267, 307, 771, 921, 22873, 27323, 68619, 78899, 81969, 236697, 7022011, 21066033]

約数ペア:

[(1, 21066033), (3, 7022011), (89, 236697), (257, 81969), (267, 78899), (307, 68619), (771, 27323), (921, 22873)]