21686274

素因数分解:

$2^1\times 3^2\times {\mathrm{89}}^1\times {\mathrm{13537}}^1$

素因数の和:13634

約数の個数: 24

約数和(自身を含む): 47518380

約数和(自身を除く): 25832106

約数列:

[1, 2, 3, 6, 9, 18, 89, 178, 267, 534, 801, 1602, 13537, 27074, 40611, 81222, 121833, 243666, 1204793, 2409586, 3614379, 7228758, 10843137, 21686274]

約数ペア:

[(1, 21686274), (2, 10843137), (3, 7228758), (6, 3614379), (9, 2409586), (18, 1204793), (89, 243666), (178, 121833), (267, 81222), (534, 40611), (801, 27074), (1602, 13537)]