21000751107

素因数分解:

$3^1\times 7^1\times {\mathrm{233}}^1\times {\mathrm{1301}}^1\times {\mathrm{3299}}^1$

素因数の和:4843

約数の個数: 32

約数和(自身を含む): 32172940800

約数和(自身を除く): 11172189693

約数列:

[1, 3, 7, 21, 233, 699, 1301, 1631, 3299, 3903, 4893, 9107, 9897, 23093, 27321, 69279, 303133, 768667, 909399, 2121931, 2306001, 4291999, 5380669, 6365793, 12875997, 16142007, 30043993, 90131979, 1000035767, 3000107301, 7000250369, 21000751107]

約数ペア:

[(1, 21000751107), (3, 7000250369), (7, 3000107301), (21, 1000035767), (233, 90131979), (699, 30043993), (1301, 16142007), (1631, 12875997), (3299, 6365793), (3903, 5380669), (4893, 4291999), (9107, 2306001), (9897, 2121931), (23093, 909399), (27321, 768667), (69279, 303133)]