21967754

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{1627}}^1$

素因数の和:1829

約数の個数: 16

約数和(自身を含む): 33953568

約数和(自身を除く): 11985814

約数列:

[1, 2, 43, 86, 157, 314, 1627, 3254, 6751, 13502, 69961, 139922, 255439, 510878, 10983877, 21967754]

約数ペア:

[(1, 21967754), (2, 10983877), (43, 510878), (86, 255439), (157, 139922), (314, 69961), (1627, 13502), (3254, 6751)]