21559936

素因数分解:

$2^7\times {\mathrm{389}}^1\times {\mathrm{433}}^1$

素因数の和:836

約数の個数: 32

約数和(自身を含む): 43161300

約数和(自身を除く): 21601364

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 389, 433, 778, 866, 1556, 1732, 3112, 3464, 6224, 6928, 12448, 13856, 24896, 27712, 49792, 55424, 168437, 336874, 673748, 1347496, 2694992, 5389984, 10779968, 21559936]

約数ペア:

[(1, 21559936), (2, 10779968), (4, 5389984), (8, 2694992), (16, 1347496), (32, 673748), (64, 336874), (128, 168437), (389, 55424), (433, 49792), (778, 27712), (866, 24896), (1556, 13856), (1732, 12448), (3112, 6928), (3464, 6224)]