21127466

素因数分解:

$2^1\times {\mathrm{127}}^1\times {\mathrm{223}}^1\times {\mathrm{373}}^1$

素因数の和:725

約数の個数: 16

約数和(自身を含む): 32169984

約数和(自身を除く): 11042518

約数列:

[1, 2, 127, 223, 254, 373, 446, 746, 28321, 47371, 56642, 83179, 94742, 166358, 10563733, 21127466]

約数ペア:

[(1, 21127466), (2, 10563733), (127, 166358), (223, 94742), (254, 83179), (373, 56642), (446, 47371), (746, 28321)]