2021030

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{967}}^1$

素因数の和:1004

約数の個数: 32

約数和(自身を含む): 4181760

約数和(自身を除く): 2160730

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 967, 1045, 1934, 2090, 4835, 9670, 10637, 18373, 21274, 36746, 53185, 91865, 106370, 183730, 202103, 404206, 1010515, 2021030]

約数ペア:

[(1, 2021030), (2, 1010515), (5, 404206), (10, 202103), (11, 183730), (19, 106370), (22, 91865), (38, 53185), (55, 36746), (95, 21274), (110, 18373), (190, 10637), (209, 9670), (418, 4835), (967, 2090), (1045, 1934)]