21004089

素因数分解:

$3^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{811}}^1$

素因数の和:1000

約数の個数: 16

約数和(自身を含む): 28647360

約数和(自身を除く): 7643271

約数列:

[1, 3, 89, 97, 267, 291, 811, 2433, 8633, 25899, 72179, 78667, 216537, 236001, 7001363, 21004089]

約数ペア:

[(1, 21004089), (3, 7001363), (89, 236001), (97, 216537), (267, 78667), (291, 72179), (811, 25899), (2433, 8633)]