21250174

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{10853}}^1$

素因数の和:10955

約数の個数: 16

約数和(自身を含む): 35166960

約数和(自身を除く): 13916786

約数列:

[1, 2, 11, 22, 89, 178, 979, 1958, 10853, 21706, 119383, 238766, 965917, 1931834, 10625087, 21250174]

約数ペア:

[(1, 21250174), (2, 10625087), (11, 1931834), (22, 965917), (89, 238766), (178, 119383), (979, 21706), (1958, 10853)]