21427818

素因数分解:

$2^1\times 3^1\times {\mathrm{89}}^1\times {\mathrm{40127}}^1$

素因数の和:40221

約数の個数: 16

約数和(自身を含む): 43338240

約数和(自身を除く): 21910422

約数列:

[1, 2, 3, 6, 89, 178, 267, 534, 40127, 80254, 120381, 240762, 3571303, 7142606, 10713909, 21427818]

約数ペア:

[(1, 21427818), (2, 10713909), (3, 7142606), (6, 3571303), (89, 240762), (178, 120381), (267, 80254), (534, 40127)]