21807039

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{10429}}^1$

素因数の和:10490

約数の個数: 16

約数和(自身を含む): 31540320

約数和(自身を除く): 9733281

約数列:

[1, 3, 17, 41, 51, 123, 697, 2091, 10429, 31287, 177293, 427589, 531879, 1282767, 7269013, 21807039]

約数ペア:

[(1, 21807039), (3, 7269013), (17, 1282767), (41, 531879), (51, 427589), (123, 177293), (697, 31287), (2091, 10429)]