21149104

素因数分解:

$2^4\times {\mathrm{97}}^1\times {\mathrm{13627}}^1$

素因数の和:13732

約数の個数: 20

約数和(自身を含む): 41401864

約数和(自身を除く): 20252760

約数列:

[1, 2, 4, 8, 16, 97, 194, 388, 776, 1552, 13627, 27254, 54508, 109016, 218032, 1321819, 2643638, 5287276, 10574552, 21149104]

約数ペア:

[(1, 21149104), (2, 10574552), (4, 5287276), (8, 2643638), (16, 1321819), (97, 218032), (194, 109016), (388, 54508), (776, 27254), (1552, 13627)]