21365804536

素因数分解:

$2^3\times {\mathrm{139}}^1\times {\mathrm{1381}}^1\times {\mathrm{13913}}^1$

素因数の和:15439

約数の個数: 32

約数和(自身を含む): 40381210800

約数和(自身を除く): 19015406264

約数列:

[1, 2, 4, 8, 139, 278, 556, 1112, 1381, 2762, 5524, 11048, 13913, 27826, 55652, 111304, 191959, 383918, 767836, 1535672, 1933907, 3867814, 7735628, 15471256, 19213853, 38427706, 76855412, 153710824, 2670725567, 5341451134, 10682902268, 21365804536]

約数ペア:

[(1, 21365804536), (2, 10682902268), (4, 5341451134), (8, 2670725567), (139, 153710824), (278, 76855412), (556, 38427706), (1112, 19213853), (1381, 15471256), (2762, 7735628), (5524, 3867814), (11048, 1933907), (13913, 1535672), (27826, 767836), (55652, 383918), (111304, 191959)]