21330176

素因数分解:

$2^8\times 7^1\times {\mathrm{11903}}^1$

素因数の和:11926

約数の個数: 36

約数和(自身を含む): 48663552

約数和(自身を除く): 27333376

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 896, 1792, 11903, 23806, 47612, 83321, 95224, 166642, 190448, 333284, 380896, 666568, 761792, 1333136, 1523584, 2666272, 3047168, 5332544, 10665088, 21330176]

約数ペア:

[(1, 21330176), (2, 10665088), (4, 5332544), (7, 3047168), (8, 2666272), (14, 1523584), (16, 1333136), (28, 761792), (32, 666568), (56, 380896), (64, 333284), (112, 190448), (128, 166642), (224, 95224), (256, 83321), (448, 47612), (896, 23806), (1792, 11903)]