21356048

素因数分解:

$2^4\times 7^1\times {\mathrm{47}}^1\times {\mathrm{4057}}^1$

素因数の和:4119

約数の個数: 40

約数和(自身を含む): 48306432

約数和(自身を除く): 26950384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 47, 56, 94, 112, 188, 329, 376, 658, 752, 1316, 2632, 4057, 5264, 8114, 16228, 28399, 32456, 56798, 64912, 113596, 190679, 227192, 381358, 454384, 762716, 1334753, 1525432, 2669506, 3050864, 5339012, 10678024, 21356048]

約数ペア:

[(1, 21356048), (2, 10678024), (4, 5339012), (7, 3050864), (8, 2669506), (14, 1525432), (16, 1334753), (28, 762716), (47, 454384), (56, 381358), (94, 227192), (112, 190679), (188, 113596), (329, 64912), (376, 56798), (658, 32456), (752, 28399), (1316, 16228), (2632, 8114), (4057, 5264)]