21303296

素因数分解:

$2^{12}\times 7^1\times {\mathrm{743}}^1$

素因数の和:774

約数の個数: 52

約数和(自身を含む): 48752832

約数和(自身を除く): 27449536

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 743, 896, 1024, 1486, 1792, 2048, 2972, 3584, 4096, 5201, 5944, 7168, 10402, 11888, 14336, 20804, 23776, 28672, 41608, 47552, 83216, 95104, 166432, 190208, 332864, 380416, 665728, 760832, 1331456, 1521664, 2662912, 3043328, 5325824, 10651648, 21303296]

約数ペア:

[(1, 21303296), (2, 10651648), (4, 5325824), (7, 3043328), (8, 2662912), (14, 1521664), (16, 1331456), (28, 760832), (32, 665728), (56, 380416), (64, 332864), (112, 190208), (128, 166432), (224, 95104), (256, 83216), (448, 47552), (512, 41608), (743, 28672), (896, 23776), (1024, 20804), (1486, 14336), (1792, 11888), (2048, 10402), (2972, 7168), (3584, 5944), (4096, 5201)]