21005402110

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{27279743}}^1$

素因数の和:27279768

約数の個数: 32

約数和(自身を含む): 47139397632

約数和(自身を除く): 26133995522

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 27279743, 54559486, 136398715, 190958201, 272797430, 300077173, 381916402, 600154346, 954791005, 1500385865, 1909582010, 2100540211, 3000771730, 4201080422, 10502701055, 21005402110]

約数ペア:

[(1, 21005402110), (2, 10502701055), (5, 4201080422), (7, 3000771730), (10, 2100540211), (11, 1909582010), (14, 1500385865), (22, 954791005), (35, 600154346), (55, 381916402), (70, 300077173), (77, 272797430), (110, 190958201), (154, 136398715), (385, 54559486), (770, 27279743)]