21965104

素因数分解:

$2^4\times 7^1\times {\mathrm{196117}}^1$

素因数の和:196132

約数の個数: 20

約数和(自身を含む): 48637264

約数和(自身を除く): 26672160

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 196117, 392234, 784468, 1372819, 1568936, 2745638, 3137872, 5491276, 10982552, 21965104]

約数ペア:

[(1, 21965104), (2, 10982552), (4, 5491276), (7, 3137872), (8, 2745638), (14, 1568936), (16, 1372819), (28, 784468), (56, 392234), (112, 196117)]