21000948996

素因数分解:

$2^2\times 3^1\times {\mathrm{139}}^1\times {\mathrm{12590497}}^1$

素因数の和:12590643

約数の個数: 24

約数和(自身を含む): 49354752160

約数和(自身を除く): 28353803164

約数列:

[1, 2, 3, 4, 6, 12, 139, 278, 417, 556, 834, 1668, 12590497, 25180994, 37771491, 50361988, 75542982, 151085964, 1750079083, 3500158166, 5250237249, 7000316332, 10500474498, 21000948996]

約数ペア:

[(1, 21000948996), (2, 10500474498), (3, 7000316332), (4, 5250237249), (6, 3500158166), (12, 1750079083), (139, 151085964), (278, 75542982), (417, 50361988), (556, 37771491), (834, 25180994), (1668, 12590497)]