21566216

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{20269}}^1$

素因数の和:20301

約数の個数: 32

約数和(自身を含む): 48648000

約数和(自身を除く): 27081784

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 20269, 40538, 81076, 141883, 162152, 283766, 385111, 567532, 770222, 1135064, 1540444, 2695777, 3080888, 5391554, 10783108, 21566216]

約数ペア:

[(1, 21566216), (2, 10783108), (4, 5391554), (7, 3080888), (8, 2695777), (14, 1540444), (19, 1135064), (28, 770222), (38, 567532), (56, 385111), (76, 283766), (133, 162152), (152, 141883), (266, 81076), (532, 40538), (1064, 20269)]