21136443

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{239}}^1\times {\mathrm{719}}^1$

素因数の和:1002

約数の個数: 16

約数和(自身を含む): 29030400

約数和(自身を除く): 7893957

約数列:

[1, 3, 41, 123, 239, 717, 719, 2157, 9799, 29397, 29479, 88437, 171841, 515523, 7045481, 21136443]

約数ペア:

[(1, 21136443), (3, 7045481), (41, 515523), (123, 171841), (239, 88437), (717, 29479), (719, 29397), (2157, 9799)]