21855244

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{12503}}^1$

素因数の和:12549

約数の個数: 24

約数和(自身を含む): 42013440

約数和(自身を除く): 20158196

約数列:

[1, 2, 4, 19, 23, 38, 46, 76, 92, 437, 874, 1748, 12503, 25006, 50012, 237557, 287569, 475114, 575138, 950228, 1150276, 5463811, 10927622, 21855244]

約数ペア:

[(1, 21855244), (2, 10927622), (4, 5463811), (19, 1150276), (23, 950228), (38, 575138), (46, 475114), (76, 287569), (92, 237557), (437, 50012), (874, 25006), (1748, 12503)]