21340792

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{242509}}^1$

素因数の和:242526

約数の個数: 16

約数和(自身を含む): 43651800

約数和(自身を除く): 22311008

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 242509, 485018, 970036, 1940072, 2667599, 5335198, 10670396, 21340792]

約数ペア:

[(1, 21340792), (2, 10670396), (4, 5335198), (8, 2667599), (11, 1940072), (22, 970036), (44, 485018), (88, 242509)]