21506016

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{32003}}^1$

素因数の和:32023

約数の個数: 48

約数和(自身を含む): 64520064

約数和(自身を除く): 43014048

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 84, 96, 112, 168, 224, 336, 672, 32003, 64006, 96009, 128012, 192018, 224021, 256024, 384036, 448042, 512048, 672063, 768072, 896084, 1024096, 1344126, 1536144, 1792168, 2688252, 3072288, 3584336, 5376504, 7168672, 10753008, 21506016]

約数ペア:

[(1, 21506016), (2, 10753008), (3, 7168672), (4, 5376504), (6, 3584336), (7, 3072288), (8, 2688252), (12, 1792168), (14, 1536144), (16, 1344126), (21, 1024096), (24, 896084), (28, 768072), (32, 672063), (42, 512048), (48, 448042), (56, 384036), (84, 256024), (96, 224021), (112, 192018), (168, 128012), (224, 96009), (336, 64006), (672, 32003)]