21556851842

素因数分解:

$2^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1\times {\mathrm{745757}}^1$

素因数の和:746005

約数の個数: 16

約数和(自身を含む): 32887927800

約数和(自身を除く): 11331075958

約数列:

[1, 2, 97, 149, 194, 298, 14453, 28906, 745757, 1491514, 72338429, 111117793, 144676858, 222235586, 10778425921, 21556851842]

約数ペア:

[(1, 21556851842), (2, 10778425921), (97, 222235586), (149, 144676858), (194, 111117793), (298, 72338429), (14453, 1491514), (28906, 745757)]