21389364

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31271}}^1$

素因数の和:31300

約数の個数: 36

約数和(自身を含む): 56915040

約数和(自身を除く): 35525676

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 684, 31271, 62542, 93813, 125084, 187626, 281439, 375252, 562878, 594149, 1125756, 1188298, 1782447, 2376596, 3564894, 5347341, 7129788, 10694682, 21389364]

約数ペア:

[(1, 21389364), (2, 10694682), (3, 7129788), (4, 5347341), (6, 3564894), (9, 2376596), (12, 1782447), (18, 1188298), (19, 1125756), (36, 594149), (38, 562878), (57, 375252), (76, 281439), (114, 187626), (171, 125084), (228, 93813), (342, 62542), (684, 31271)]