21819056

素因数分解:

$2^4\times 7^1\times {\mathrm{194813}}^1$

素因数の和:194828

約数の個数: 20

約数和(自身を含む): 48313872

約数和(自身を除く): 26494816

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 194813, 389626, 779252, 1363691, 1558504, 2727382, 3117008, 5454764, 10909528, 21819056]

約数ペア:

[(1, 21819056), (2, 10909528), (4, 5454764), (7, 3117008), (8, 2727382), (14, 1558504), (16, 1363691), (28, 779252), (56, 389626), (112, 194813)]