21172184

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{5119}}^1$

素因数の和:5183

約数の個数: 32

約数和(自身を含む): 44236800

約数和(自身を除く): 23064616

約数列:

[1, 2, 4, 8, 11, 22, 44, 47, 88, 94, 188, 376, 517, 1034, 2068, 4136, 5119, 10238, 20476, 40952, 56309, 112618, 225236, 240593, 450472, 481186, 962372, 1924744, 2646523, 5293046, 10586092, 21172184]

約数ペア:

[(1, 21172184), (2, 10586092), (4, 5293046), (8, 2646523), (11, 1924744), (22, 962372), (44, 481186), (47, 450472), (88, 240593), (94, 225236), (188, 112618), (376, 56309), (517, 40952), (1034, 20476), (2068, 10238), (4136, 5119)]