21261604288

素因数分解:

$2^6\times {\mathrm{2593}}^1\times {\mathrm{128119}}^1$

素因数の和:130724

約数の個数: 28

約数和(自身を含む): 42207596560

約数和(自身を除く): 20945992272

約数列:

[1, 2, 4, 8, 16, 32, 64, 2593, 5186, 10372, 20744, 41488, 82976, 128119, 165952, 256238, 512476, 1024952, 2049904, 4099808, 8199616, 332212567, 664425134, 1328850268, 2657700536, 5315401072, 10630802144, 21261604288]

約数ペア:

[(1, 21261604288), (2, 10630802144), (4, 5315401072), (8, 2657700536), (16, 1328850268), (32, 664425134), (64, 332212567), (2593, 8199616), (5186, 4099808), (10372, 2049904), (20744, 1024952), (41488, 512476), (82976, 256238), (128119, 165952)]