21039808

素因数分解:

$2^6\times {\mathrm{547}}^1\times {\mathrm{601}}^1$

素因数の和:1160

約数の個数: 28

約数和(自身を含む): 41896792

約数和(自身を除く): 20856984

約数列:

[1, 2, 4, 8, 16, 32, 64, 547, 601, 1094, 1202, 2188, 2404, 4376, 4808, 8752, 9616, 17504, 19232, 35008, 38464, 328747, 657494, 1314988, 2629976, 5259952, 10519904, 21039808]

約数ペア:

[(1, 21039808), (2, 10519904), (4, 5259952), (8, 2629976), (16, 1314988), (32, 657494), (64, 328747), (547, 38464), (601, 35008), (1094, 19232), (1202, 17504), (2188, 9616), (2404, 8752), (4376, 4808)]