21127126

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{307}}^1\times {\mathrm{1811}}^1$

素因数の和:2139

約数の個数: 16

約数和(自身を含む): 33485760

約数和(自身を除く): 12358634

約数列:

[1, 2, 19, 38, 307, 614, 1811, 3622, 5833, 11666, 34409, 68818, 555977, 1111954, 10563563, 21127126]

約数ペア:

[(1, 21127126), (2, 10563563), (19, 1111954), (38, 555977), (307, 68818), (614, 34409), (1811, 11666), (3622, 5833)]