21418101

素因数分解:

$3^4\times {\mathrm{281}}^1\times {\mathrm{941}}^1$

素因数の和:1234

約数の個数: 20

約数和(自身を含む): 32142924

約数和(自身を除く): 10724823

約数列:

[1, 3, 9, 27, 81, 281, 843, 941, 2529, 2823, 7587, 8469, 22761, 25407, 76221, 264421, 793263, 2379789, 7139367, 21418101]

約数ペア:

[(1, 21418101), (3, 7139367), (9, 2379789), (27, 793263), (81, 264421), (281, 76221), (843, 25407), (941, 22761), (2529, 8469), (2823, 7587)]