21491176

素因数分解:

$2^3\times 7^1\times {\mathrm{359}}^1\times {\mathrm{1069}}^1$

素因数の和:1441

約数の個数: 32

約数和(自身を含む): 46224000

約数和(自身を除く): 24732824

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 359, 718, 1069, 1436, 2138, 2513, 2872, 4276, 5026, 7483, 8552, 10052, 14966, 20104, 29932, 59864, 383771, 767542, 1535084, 2686397, 3070168, 5372794, 10745588, 21491176]

約数ペア:

[(1, 21491176), (2, 10745588), (4, 5372794), (7, 3070168), (8, 2686397), (14, 1535084), (28, 767542), (56, 383771), (359, 59864), (718, 29932), (1069, 20104), (1436, 14966), (2138, 10052), (2513, 8552), (2872, 7483), (4276, 5026)]