21037589728

素因数分解:

$2^5\times {\mathrm{131}}^1\times {\mathrm{1237}}^1\times {\mathrm{4057}}^1$

素因数の和:5435

約数の個数: 48

約数和(自身を含む): 41777954064

約数和(自身を除く): 20740364336

約数列:

[1, 2, 4, 8, 16, 32, 131, 262, 524, 1048, 1237, 2096, 2474, 4057, 4192, 4948, 8114, 9896, 16228, 19792, 32456, 39584, 64912, 129824, 162047, 324094, 531467, 648188, 1062934, 1296376, 2125868, 2592752, 4251736, 5018509, 5185504, 8503472, 10037018, 17006944, 20074036, 40148072, 80296144, 160592288, 657424679, 1314849358, 2629698716, 5259397432, 10518794864, 21037589728]

約数ペア:

[(1, 21037589728), (2, 10518794864), (4, 5259397432), (8, 2629698716), (16, 1314849358), (32, 657424679), (131, 160592288), (262, 80296144), (524, 40148072), (1048, 20074036), (1237, 17006944), (2096, 10037018), (2474, 8503472), (4057, 5185504), (4192, 5018509), (4948, 4251736), (8114, 2592752), (9896, 2125868), (16228, 1296376), (19792, 1062934), (32456, 648188), (39584, 531467), (64912, 324094), (129824, 162047)]