21726916

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{1193}}^1$

素因数の和:1383

約数の個数: 24

約数和(自身を含む): 39616920

約数和(自身を除く): 17890004

約数列:

[1, 2, 4, 29, 58, 116, 157, 314, 628, 1193, 2386, 4553, 4772, 9106, 18212, 34597, 69194, 138388, 187301, 374602, 749204, 5431729, 10863458, 21726916]

約数ペア:

[(1, 21726916), (2, 10863458), (4, 5431729), (29, 749204), (58, 374602), (116, 187301), (157, 138388), (314, 69194), (628, 34597), (1193, 18212), (2386, 9106), (4553, 4772)]