21866188

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{6691}}^1$

素因数の和:6757

約数の個数: 24

約数和(自身を含む): 41222720

約数和(自身を除く): 19356532

約数列:

[1, 2, 4, 19, 38, 43, 76, 86, 172, 817, 1634, 3268, 6691, 13382, 26764, 127129, 254258, 287713, 508516, 575426, 1150852, 5466547, 10933094, 21866188]

約数ペア:

[(1, 21866188), (2, 10933094), (4, 5466547), (19, 1150852), (38, 575426), (43, 508516), (76, 287713), (86, 254258), (172, 127129), (817, 26764), (1634, 13382), (3268, 6691)]