21743872

素因数分解:

$2^8\times {\mathrm{157}}^1\times {\mathrm{541}}^1$

素因数の和:714

約数の個数: 36

約数和(自身を含む): 43759996

約数和(自身を除く): 22016124

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 157, 256, 314, 541, 628, 1082, 1256, 2164, 2512, 4328, 5024, 8656, 10048, 17312, 20096, 34624, 40192, 69248, 84937, 138496, 169874, 339748, 679496, 1358992, 2717984, 5435968, 10871936, 21743872]

約数ペア:

[(1, 21743872), (2, 10871936), (4, 5435968), (8, 2717984), (16, 1358992), (32, 679496), (64, 339748), (128, 169874), (157, 138496), (256, 84937), (314, 69248), (541, 40192), (628, 34624), (1082, 20096), (1256, 17312), (2164, 10048), (2512, 8656), (4328, 5024)]