21626864

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{10163}}^1$

素因数の和:10197

約数の個数: 40

約数和(自身を含む): 50413440

約数和(自身を除く): 28786576

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 10163, 20326, 40652, 71141, 81304, 142282, 162608, 193097, 284564, 386194, 569128, 772388, 1138256, 1351679, 1544776, 2703358, 3089552, 5406716, 10813432, 21626864]

約数ペア:

[(1, 21626864), (2, 10813432), (4, 5406716), (7, 3089552), (8, 2703358), (14, 1544776), (16, 1351679), (19, 1138256), (28, 772388), (38, 569128), (56, 386194), (76, 284564), (112, 193097), (133, 162608), (152, 142282), (266, 81304), (304, 71141), (532, 40652), (1064, 20326), (2128, 10163)]