21031401

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{1049}}^1$

素因数の和:1256

約数の個数: 16

約数和(自身を含む): 28929600

約数和(自身を除く): 7898199

約数列:

[1, 3, 41, 123, 163, 489, 1049, 3147, 6683, 20049, 43009, 129027, 170987, 512961, 7010467, 21031401]

約数ペア:

[(1, 21031401), (3, 7010467), (41, 512961), (123, 170987), (163, 129027), (489, 43009), (1049, 20049), (3147, 6683)]