21716688

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{64633}}^1$

素因数の和:64651

約数の個数: 40

約数和(自身を含む): 64116928

約数和(自身を除く): 42400240

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 64633, 129266, 193899, 258532, 387798, 452431, 517064, 775596, 904862, 1034128, 1357293, 1551192, 1809724, 2714586, 3102384, 3619448, 5429172, 7238896, 10858344, 21716688]

約数ペア:

[(1, 21716688), (2, 10858344), (3, 7238896), (4, 5429172), (6, 3619448), (7, 3102384), (8, 2714586), (12, 1809724), (14, 1551192), (16, 1357293), (21, 1034128), (24, 904862), (28, 775596), (42, 517064), (48, 452431), (56, 387798), (84, 258532), (112, 193899), (168, 129266), (336, 64633)]