21596829

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{1721}}^1$

素因数の和:1860

約数の個数: 16

約数和(自身を含む): 29756160

約数和(自身を除く): 8159331

約数列:

[1, 3, 47, 89, 141, 267, 1721, 4183, 5163, 12549, 80887, 153169, 242661, 459507, 7198943, 21596829]

約数ペア:

[(1, 21596829), (3, 7198943), (47, 459507), (89, 242661), (141, 153169), (267, 80887), (1721, 12549), (4183, 5163)]