21666454

素因数分解:

$2^1\times {\mathrm{127}}^1\times {\mathrm{197}}^1\times {\mathrm{433}}^1$

素因数の和:759

約数の個数: 16

約数和(自身を含む): 32997888

約数和(自身を除く): 11331434

約数列:

[1, 2, 127, 197, 254, 394, 433, 866, 25019, 50038, 54991, 85301, 109982, 170602, 10833227, 21666454]

約数ペア:

[(1, 21666454), (2, 10833227), (127, 170602), (197, 109982), (254, 85301), (394, 54991), (433, 50038), (866, 25019)]